collins

Edward W. Collins

Professional Summary

November 3, 2011



Business address: The University of Texas at Austin

Bureau of Economic Geology

University Station, Box X

Austin, Texas 78713-8924

(512) 471-6247

E-mail address: eddie.collins@beg.utexas.edu



Academic Background

B.A. Geology, Trinity University, 1975

M.S. Natural Sciences (Geology major), Stephen F. Austin State University, 1978



Areas of Expertise

A. Physical geology.

B. Structural geology.

C. Geologic mapping.

D. Environmental geology.



Professional Work Experience

A. Present Position: Research Scientist Associate, Bureau of Economic Geology, The University of

Texas at Austin (September 2006 - Present).







B. Research Associate, Bureau of Economic Geology, The University of Texas at Austin (September

1985 - August 2006).



Physical geology, structural geology, geologic mapping, environmental geology.



C. Research Scientist Associate, Bureau of Economic Geology, The University of Texas at Austin

(April 1978 - September 1985).



Physical geology, structural geology, environmental geology.



D. Research Assistant, Stephen F. Austin State University (February 1978 - March 1978).







E. Teaching Assistant, Stephen F. Austin State University (Fall 1977).



Mineralogy lab teaching assistant.



F. Teaching Assistant, Stephen F. Austin State University (Fall 1976).



Physical geology lab instructor.

Professional Societies

American Association of Petroleum Geologists

Austin Geological Society

Geological Society of America



Professional Registrations

Texas Board of Professional Geoscientists #351





Committee Responsibilities and Professional Activities

Panelist, Brackish Groundwater (BRACS) Technical Review Panel, Texas Water Development Board,

2010 - present

Member, Publications Committee, Bureau of Economic Geology, 2007 - 2008

Mentor, Roy J. Shlemon Mentor Program in Applied Geology, Geological Society of America

Geological Society of America’s South-Central Section Shlemon Workshop, Alpine, Texas, April,

2002

Chairman, Field Trip Committee, Gulf Coast Association of Geological Societies 52nd Annual

Convention, Austin, Texas, October, 2001 - 2002

Member, Field Trip Committee, Austin Geological Society, 2000 - 2003

Past President, Austin Geological Society, 1999 - 2000

President, Austin Geological Society, 1998 - 1999

Member, Executive Board, Austin Geological Society, 1997 - 2000

President Elect, Austin Geological Society, 1997 - 1998

Nonvoting Member; Coordinator, Mapping Advisory Committee, Texas STATEMAP Program, 1996 -

present

Nonvoting member; Coordinator, Advisory Committee, Texas STATEMAP Program, 1996 - present

Chairman, Poster Session Committee, 1994 Annual Meeting, Gulf Coast Association of Geological

Societies, 1993 - 1994

Chairman, Field Trip Committee, Austin Geological Society, 1990 - 1991

Member, Publications Committee, Austin Geological Society, 1980 - 1981



Publications

Reports, Monographs, Brochures, Pamphlets, Bulletins



Hovorka, S. D., Mace, R. E., and Collins, E. W., 1998, Permeability structure of the Edwards aquifer,

South Texas—implications for aquifer management: The University of Texas at Austin, Bureau of

Economic Geology Report of Investigations No. 250, 55 p.

Collins, E. W., and Raney, J. A., 1997, Quaternary faults within intermontane basins of northwest

Trans-Pecos Texas and Chihuahua, Mexico: The University of Texas at Austin, Bureau of

Economic Geology Report of Investigations No. 245, 59 p.

Collins, E. W., and Raney, J. A., 1991, Tertiary and Quaternary structure and paleotectonics of the

Hueco Basin, Trans-Pecos Texas and Chihuahua, Mexico: The University of Texas at Austin,

Bureau of Economic Geology Geological Circular 91-2, 44 p.

Collins, E. W., 1990, Geologic significance of remotely sensed physiographic features of the Texas

Panhandle and adjacent regions: The University of Texas at Austin, Bureau of Economic Geology

Geological Circular 90-1, 39 p.

Collins, E. W., and Raney, J. A., 1990, Neotectonic history and structural style of the Campo Grande

fault, Hueco Basin, Trans-Pecos Texas: The University of Texas at Austin, Bureau of Economic

Geology Report of Investigations No. 196, 39 p.

Senger, R. K., Collins, E. W., and Kreitler, C. W., 1990, Hydrogeology of the northern segment of the

Edwards aquifer, Austin region: The University of Texas at Austin, Bureau of Economic Geology

Report of Investigations No. 192, 58 p.

Collins, E. W., 1988, Geology of Damon Mound salt dome, Texas: evidence of Oligocene to post-

Pleistocene episodic diapir growth: The University of Texas at Austin, Bureau of Economic

Geology Geological Circular 88-1, 24 p.

Collins, E. W., and Luneau, B. A., 1986, Fracture analyses of the Palo Duro Basin area, Texas

Panhandle and eastern New Mexico: The University of Texas at Austin, Bureau of Economic

Geology Geological Circular 86-6, 39 p.

Collins, E. W., 1984, Styles of deformation in Permian strata, Texas Panhandle: The University of

Texas at Austin, Bureau of Economic Geology Geological Circular 84-4, 32 p.

Gustavson, T. C., Kreitler, C. W., Bassett, R. T., Budnik, R. T, Ruppel, S. C., Baumgardner, R. W., Jr.,

Caran, S. C., Collins, E. W., Dutton, A. R., Dutton, S. P., Fisher, R. S., Fogg, G. E., Hovorka, S.

D., Kolker, Allan, McGookey, D. A., Orr, E. D., Roberts, M. P., Senger, R. K., Smith, D. A., and

Smith, D., 1983, Geology and geohydrology of the Palo Duro Basin, Texas Panhandle: a report

on the progress of nuclear waste isolation feasibility studies (1982): The University of Texas at

Austin, Bureau of Economic Geology Geological Circular 83-4, 156 p.

Collins, E. W., 1982, Surficial evidence of tectonic activity and erosion rates, Palestine, Keechi, and

Oakwood salt domes, East Texas: The University of Texas at Austin, Bureau of Economic

Geology Geological Circular 82-3, 39 p.

Collins, E. W., Dix, O. R., and Hobday, D. K., 1981, Oakwood salt dome, East Texas, surface geology

and drainage analysis: The University of Texas at Austin, Bureau of Economic Geology

Geological Circular 81-6, 23 p.

Kreitler, C. W., Collins, E. W., Davidson, E. D., Dix, O. R., Donaldson, G. A., Dutton, S. P., Fogg, G.

E., Giles, A. B., Harris, D. W., Jackson, M. P. A., Lopez, C. M., McGowen, J. H., Muehlberger, W.

R., Pennington, W. D., Seni, S. J., Wood, D. H., and Wuerch, H. V., 1981, Geology and

geohydrology of the East Texas Basin: a report on the progress of nuclear waste isolation

feasibility studies (1980): The University of Texas at Austin, Bureau of Economic Geology

Geological Circular 81-7, 207 p.

Collins, E. W., Hobday, D. K., and Kreitler, C. W., 1980, Quaternary faulting in East Texas: The

University of Texas at Austin, Bureau of Economic Geology Geological Circular 80-1, 20 p.

Kreitler, C. W., Agagu, O. K., Basciano, J. M., Collins, E. W., Dix, O. R., Dutton, S. P., Fogg, G. E.,

Giles, A. B., Guevara, E. H., Harris, D. W., Hobday, D. K., McGowen, M. K., Pass, D., and Wood,

D. H., 1980, Geology and geohydrology of the East Texas Basin: a report on the progress of

nuclear waste isolation feasibility studies (1979): The University of Texas at Austin, Bureau of

Economic Geology Geological Circular 80-12, 112 p.

Hobday, D. K., Morton, R. A., and Collins, E. W., 1979, The Queen City Formation in the East Texas

Embayment: a depositional record of riverine, tidal, and wave interaction: The University of Texas

at Austin, Bureau of Economic Geology Geological Circular 80-4, 11 p.



Guidebooks



Hunt, B. B., Woodruff, C. M., Jr., and Collins, E. W., trip coordinators, 2007, Reimers Ranch and

Westcave Preserve: landscapes, water, and Lower Cretaceous stratigraphy of the Pedernales

watershed, western Travis County, Texas: Austin Geological Society Guidebook 28, 130 p.

Woodruff, C. M., Jr., and Collins, E. W., trip coordinators, 2003, Time, land, and Barton Creek—an

excursion to Shield Ranch, Travis and Hays Counties, Texas: Austin Geological Society Field Trip

Guidebook, 71 p.

Woodruff, C. M., Jr., and Collins, E. W., 2001, Austin, Texas, and beyond—geology and environment:

a field excursion in memory of L. Edwin Garner: Austin Geological Society Guidebook 21, 120 p.

Collins, E. W., and Laubach, S. E., 1990, Faults and fractures in the Balcones Fault Zone, Austin

Region, Central Texas: Austin Geological Society Guidebook 13, 34 p.



Articles

Peer Reviewed

Paine, J. G., and Collins, E. W., 2010, Characterizing oil field salinization using airborne, surface, and

borehole geophysics: an example from the upper Colorado River Basin, Texas: Environmental

Geosciences, v. 17, no. 4, p. 193‒207.

Paine, J. G., Collins, E. W., Nance, H. S., and Niemann, K. L., 2009, Combining airborne

electromagnetic induction and hydrochemistry to quantify salinity contributions to a large-basin

stream, Colorado River, Texas, USA: Near Surface Geophysics, v. 7, no. 4, p. 271–284.

Paine, J. G., Nance, H. S., Collins, E. W., and Niemann, K. L., 2007, Quantifying contributions to

stream salinity using electromagnetic induction and hydrochemistry in a small Texas coastal-plain

basin: Applied Geochemistry, v. 22, p. 2207–2224.

Collins, E. W., and Raney, J. A., ed., 1994, Tertiary and Quaternary tectonics of the Hueco Bolson,

Trans-Pecos Texas and Chihuahua, Mexico, in Keller, G. R., and Cather, S. M., eds., Basins of

the Rio Grande rift: structure, stratigraphy, and tectonic setting: Geological Society of America,

Special Paper No. 291, p. 265–282.

Collins, E. W., Hovorka, S. D., and Laubach, S. E., 1992, Fracture systems of the Austin Chalk, North-

Central Texas, in Schmoker, J. W., Coalson, E. B., and Brown, C. A., eds., Geological studies

relevant to horizontal drilling in western North America: Rocky Mountain Association of

Geologists, p. 75–88.

Collins, E. W., and Raney, J. A., 1991, Neotectonic history and geometric segmentation of the Campo

Grande fault: a major structure bounding the Hueco Basin, Trans-Pecos Texas: Geology, v. 19,

no. 5, p. 493–496.

Goldstein, A. G., and Collins, E. W., 1984, Deformation of Permian strata overlying a zone of salt

dissolution and collapse in the Texas Panhandle: Geology, v. 12, no. 5, p. 314–317.

Collins, E. W., 1983, Joint density of Permian strata at Caprock Canyons State Park, Briscoe County,

Texas Panhandle, in Gustavson, T. C., Kreitler, C. W., Bassett, R. L., Budnik, R. T., Ruppel, S.

C., Baumgardner, R. W., Jr., Caran, S. C., Collins, E. W., Dutton, A. R., Dutton, S. P., Fisher, R.

S., Fogg, G. E., Hovorka, S. D., Kolker, A., McGookey, D. A., Orr, E. D., Roberts, M. P., Senger,

R. K., Smith, Dale A., and Smith, D. Anderson, Geology and geohydrology of the Palo Duro

Basin, Texas Panhandle, a report on the progress of nuclear waste isolation feasibility studies

(1982): The University of Texas at Austin, Bureau of Economic Geology, Geological Circular 83-4,

p. 36–39.

Collins, E. W., 1981, Denudation rates in East Texas, in Kreitler, C. W., Collins, E. W., Davidson, E.

D., Jr., Dix, O. R., Donaldson, G. A., Dutton, S. P., Fogg, G. E., Giles, A. B., Harris, D. W.,

Jackson, M. P. A., Lopez, C. M., McGowen, M. K., Muehlberger, W. R., Pennington, W. D., Seni,

S. J., Wood, D. H., and Wuerch, H. V., Geology and geohydrology of the East Texas Basin, a

report on the progress of nuclear waste isolation feasibility studies (1980): The University of

Texas at Austin, Bureau of Economic Geology, Geological Circular 81-7, p. 88–92.

Collins, E. W., 1981, Morphologic mapping of Oakwood, Palestine, and Keechi salt domes, East

Texas, in Kreitler, C. W., and others, Geology and geohydrology of the East Texas Basin, a report

on the progress of nuclear waste isolation feasibility studies (1980): The University of Texas at

Austin, Bureau of Economic Geology, Geological Circular 81-7, p. 102–112.

Collins, E. W., 1981, Tension cracks on Keechi salt dome, East Texas, in Kreitler, C. W., and others,

Geology and geohydrology of the East Texas Basin, a report on the progress of nuclear waste

isolation feasibility studies (1980): The University of Texas at Austin, Bureau of Economic

Geology, Geological Circular 81-7, p. 113–114.

Collins, E. W., 1981, Trinity River terraces near Palestine salt dome, East Texas, in Kreitler, C. W.,

and others, Geology and geohydrology of the East Texas Basin, a report on the progress of

nuclear waste isolation feasibility studies (1980): The University of Texas at Austin, Bureau of

Economic Geology, Geological Circular 81-7, p. 78–82.

Collins, E. W., and Dix, O. R., 1981, Holocene alluvial deposits at Oakwood Dome, East Texas, in

Kreitler, C. W., and others, Geology and geohydrology of the East Texas Basin, a report on the

progress of nuclear waste isolation feasibility studies (1980): The University of Texas at Austin,

Bureau of Economic Geology, Geological Circular 81-7, p. 97–101.

Pennington, W. D., Kreitler, C. W., and Collins, E. W., 1981, Potential microseismicity in East Texas,

in Kreitler, C. W., and others, Geology and geohydrology of the East Texas Basin, a report on the

progress of nuclear waste isolation feasibility studies (1980): The University of Texas at Austin,

Bureau of Economic Geology, Geological Circular 81-7, p. 93–96.

Collins, E. W., and Hobday, D. K., 1980, Surface geology and shallow borehole investigations of

Oakwood Dome—preliminary studies, in Kreitler, C. W., Agagu, O. K., Basciano, J. M., Collins, E.

W., Dix, O. R., Dutton, S. P., Fogg, G. E., Giles, A. B., Guevara, E. H., Harris, D. W., Hobday, D.

K., McGowen, M. K., Pass, David, and Wood, D. H., Geology and geohydrology of the East Texas

Basin, a report on the progress of nuclear waste isolation feasibility studies (1979): The University

of Texas at Austin, Bureau of Economic Geology, Geological Circular 80-12, p. 88–92.

Hobday, D. K., and Collins, E. W., 1980, The Queen City Formation, in Kreitler, C. W., and others,

Geology and geohydrology of the East Texas Basin, a report on the progress of nuclear waste

isolation feasibility studies (1979): The University of Texas at Austin, Bureau of Economic

Geology, Geological Circular 80-12, p. 105–107.



Non-Peer-Reviewed

Paine, J. G., Buckley, S. M., Collins, E. W., and Wilson, C. R., 2010, Assessing collapse risk in

evaporite sinkhole-prone areas using gravimetry and radar interferometry, in Near-surface

geophysics and geohazards, volume 2, Proceedings of the 4th International Conference on

Environmental and Engineering Geophysics, June 14–19, Chendu, China, p. 753–763.

Collins, E. W., 2009, Central Texas and the Hill Country, in Laubach, S. E., and Tinker, S. W., eds.,

2009, Earth’s art: celebrating the Centennial of the Bureau of Economic Geology, 1909–2009:

The University of Texas at Austin, Bureau of Economic Geology, p. 64–65.

Paine, J. G., Buckley, Sean, Collins, E. W., Wilson, C. R., and Kress, Wade, 2009, Assessing

sinkhole potential at Wink and Daisetta using gravity and radar interferometry, in Proceedings,

22nd Symposium on the Application of Geophysics to Engineering and Environmental Problems,

Fort Worth, Texas, March 29–April 2, p. 480–488.

Woodruff, C. M., Jr., and Collins, E. W., 2008, East and west of the Balcones Escarpment—road log

from Austin to Canyon Dam, in Ward, W. C., Molineaux, Ann, Valentine, Shane, and Woodruff, C.

M., Jr., trip coordinators, Canyon Dam spillway gorge, Comal County, Texas—geologic and

hydrologic issues: Austin Geological Society, Field Trip Guidebook 30, p. 1–12.

Collins, E. W., 2007, Geologic mapping for the Texas STATEMAP Program: Austin Geological

Society Bulletin, v. 3, p. 30–32.

Collins, E. W., 2007, Note: Geologic mapping for the Texas STATEMAP Program: Austin Geological

Society Bulletin, v. 3, p. 31–33.

Collins, E. W., 2007, Lower Cretaceous Trinity rocks at and near historically key outcrops along the

Pedernales River valley, Central Texas, in Hunt, B. B., Woodruff, C. M., Jr., and Collins, E. W.,

Reimers Ranch and Westcave Preserve: landscapes, water, and Lower Cretaceous stratigraphy

of the Pedernales watershed, western Travis County, Texas: Austin Geological Society,

Guidebook 28, p. 12–24.

Paine, J. G., and Collins, E. W., 2007, After the helicopter is gone: investigating anomalies in stream-

axis EM data from the Colorado River, Texas, in Proceedings, Symposium on the Application of

Geophysics to Engineering and Environmental Problems: Environmental and Engineering

Geophysical Society, p. 426–435 (CD-ROM).

Paine, J. G., Collins, E. W., Nance, H. S., and Niemann, K. L., 2006, Streambed induction logs: an

airborne approach to identifying salinity sources and quantifying salinity loads, in Proceedings,

Symposium on the Application of Geophysics to Engineering and Environmental Problems:

Environmental and Engineering Society, p. 96–104, CD-ROM.

Raney, J. A., and Collins, E. W., 2005, Texas STATEMAP: a Federal-State program to produce new

geologic maps for Texas: Texas Geographic Information Council TGIC e-News, January 26, 2 p.

Tremblay, T. A., White, W. A., Waldinger, R. L., Collins, E. W., Gibeaut, J. C., and Ames, J. T., 2005,

Geoenvironmental map of the Christmas Point Quadrangle, Texas Gulf Coast, in Sappington,

Nancy, ed., GIS in state government, volume 1: Economic and Social Research Institute (ESRI),

ISBN 1058948, p. 79.

Collins, E. W., 2004, Summary of the Balcones Fault Zone, Central Texas: a prominent zone of

Tertiary normal faults marking the western margin of the Texas Coastal Plain, in Hoh, April, and

Hunt, Brian, eds., Tectonic history of southern Laurentia: a look at Mesoproterozoic, Late-

Paleozoic, and Cenozoic structures in Central Texas: Austin Geological Society, Guidebook 24, p.

81–89.

Collins, E. W., Tremblay, T. A., Raney, J. A., Paine, J. G., Hovorka, S. D., Gutiérrez, Roberto, Smyth,

R. C., and Hepner, Tiffany, 2004, Geologic mapping and construction of digital map data sets of

the Edwards aquifer region, Central Texas, in Hovorka, Sue, ed., Edwards water resources in

Central Texas: retrospective and prospective: South Texas Geological Society and Austin

Geological Society, CD-ROM, p. 1–15.

Johnson, K. S., Collins, E. W., and Seni, S. J., 2004, Sinkholes and land subsidence owing to salt

dissolution near Wink, West Texas, and other sites in western Texas and New Mexico, in

Johnson, K. S., and Neal, J. T., eds., Evaporite karst and engineering/environmental problems in

the United States: Oklahoma Geological Survey Circular 109, p. 183–195.

Collins, E. W., and Woodruff, C. M., Jr., 2003, Tour of Shield Ranch landscape—geology and other

natural and cultural resources, in Woodruff, C. M., Jr., and Collins, E. W., trip coordinators, Time,

land, and Barton Creek—an excursion to Shield Ranch, Travis and Hays Counties, Texas: Austin

Geological Society, Field Trip Guidebook 22, p. 55–65.

Paine, J. G., and Collins, E. W., 2003, Applying airborne electromagnetic induction in groundwater

salinization and resource studies, West Texas, in Proceedings, Symposium on the Application of

Geophysics to Engineering and Environmental Problems: Environmental and Engineering

Geophysical Society, p. 722–738 (CD-ROM).

Paine, J. G., and Collins, E. W., 2003, Applying airborne electromagnetic induction in groundwater

salinization and resource studies, in Mares, Stanislav, and Pospisil, Lubomil, eds., Proceedings,

Ninth Meeting of Environmental and Engineering Geophysics, August 31–September 4, Prague:

Czech Association of Applied Geophysicists, variously paginated [4 p.].

Paine, J. G., and Collins, E. W., 2001, Urban geophysics at the Burger Activity Center in southwest

Austin: noninvasively mapping covered strata at a possible sinkhole, in Woodruff, C. M., Jr., and

Collins, E. W., field trip leaders, Austin, Texas, and beyond—geology and environment: a field

excursion in memory of L. Edwin Garner: Austin Geological Society Guidebook 21, p. 79–87.

Collins, E. W., and Woodruff, C. M., Jr., 2001, Faults in the Austin, Texas, area—defining aspects of

local structural grain, in Woodruff, C. M., Jr., and Collins, E. W., field trip leaders, Austin, Texas,

and beyond—geology and environment: a field excursion in memory of L. Edwin Garner: Austin

Geological Society, Guidebook 21, p. 15–26.

Collins, E. W., 1995, Structural framework of the Edwards aquifer, Balcones Fault Zone, Central

Texas: Gulf Coast Association of Geological Societies Transactions, v. 45, p. 135–142.

Hovorka, S. D., Mace, R. E., and Collins, E. W., 1995, Regional distribution of permeability in the

Edwards aquifer: Gulf Coast Association of Geological Societies Transactions, v. 45, p. 259–265.

Collins, E. W., and Raney, J. A., 1994, Impact of late Cenozoic extension on Laramide overthrust belt

and Diablo Platform margins, northwestern Trans-Pecos Texas, in Ahlen, Jack, Peterson, John,

and Bowsher, A. L., eds., Geologic activities in the 90s: New Mexico Bureau of Mines and Mineral

Resources, Bulletin No. 150, p. 71–81.

Collins, E. W., 1993, Fracture zones between overlapping en echelon fault strands: outcrop analogs

within the Balcones Fault Zone, Central Texas: Gulf Coast Association of Geological Societies

Transactions, v. 43, p. 77–85.

Collins, E. W., Laubach, S. E., Dutton, S. P., and Hill, R. E., 1992, Depositional environments,

petrology, and fractures of the Atoka Davis Sandstone: a low-permeability gas-bearing sandstone

of the Fort Worth Basin, North-Central Texas: Southwest Section, American Association of

Petroleum Geologists Transactions, Publication SWS 92-90, p. 221–230.

Collins, E. W., Laubach, S. E., and Dutton, S. P., 1992, Geology of the Davis sandstone, in

Investigation of the Davis sandstone (Fort Worth Basin, Texas) as a suitable formation for the GRI

hydraulic fracture test site: S. A. Holditch and Associates Data Well No. 1, Wise County, Texas:

CER Corporation, topical report prepared for Gas Research Institute under contract no. 5091-221-

2130, GRI-92/0194, p. 4–12.

Collins, E. W., and Raney, J. A., 1991, Quaternary faults near a proposed low-level radioactive waste

repository in the Hueco Bolson of Trans-Pecos Texas: West Texas Geological Society Bulletin, v.

30, no. 6, p. 5–11.

Laubach, S. E., and Collins, E. W., 1991, Fracture geometry and fracture intensity associated with

faults and folds in the Austin Chalk and other Cretaceous limestones of Central Texas, in Chuber,

Stewart, ed., Geology, geophysics and formation evaluation: Austin Chalk exploration

symposium: South Texas Geological Society, Abstracts and Short Papers, p. 77–80.

Collins, E. W., Laubach, S. E., and Vendeville, B. C., 1990, Faults and fractures in the Balcones Fault

Zone, Austin Region, Central Texas, in Collins, E. W., and Laubach, S. E., coordinators, Faults

and fractures in the Balcones Fault Zone, Austin Region, Central Texas: Austin Geological

Society, Guidebook 13, p. 1–28.

Reaser, D. F., and Collins, E. W., 1988, Style of faults and associated fractures in Austin Chalk,

northern extension of Balcones Fault Zone, Central Texas: Gulf Coast Association of Geological

Societies Transactions, v. 38, p. 267–276.

Collins, E. W., 1987, Characterization of fractures in limestones, northern segment of the Edwards

aquifer and Balcones Fault Zone, Central Texas: Gulf Coast Association of Geological Societies

Transactions, v. 37, p. 43–54.

Collins, E. W., 1986, Salt diapirism–sedimentation relationships at Damon Mound Dome: Stop 1, in

Seni, S. J., and Kyle, J. R., eds., Comparison of cap rocks, mineral resources, and surface

features of salt domes in the Houston diapir province: Geological Society of America, Field Trip

Guidebook, p. 103–118.

Collins, E. W., Goldstein, A. G., and Gustavson, T. C., 1986, Stop 6: Eagles Point Overlook: folding of

Permian strata associated with salt dissolution and collapse, in Geomorphology and Quaternary

stratigraphy of the Rolling Plains, Texas Panhandle: The University of Texas at Austin, Bureau of

Economic Geology, Guidebook, v. 22, p. 29–31.

Collins, E. W., Goldstein, A. G., and Gustavson, T. C., 1986, Stop 7: Veining and faulting associated

with salt dissolution and collapse, in Geomorphology and Quaternary stratigraphy of the Rolling

Plains, Texas Panhandle: The University of Texas at Austin, Bureau of Economic Geology,

Guidebook, v. 22, p. 32–35.

Collins, E. W., 1980, The Reklaw Formation of East Texas, in Perkins, B. F., and Hobday, D. K., eds.,

Middle Eocene coastal plain and nearshore deposits of East Texas, a field guide to the Queen

City Formation and related papers: Gulf Coast Section, Society of Economic Paleontologists and

Mineralogists, field trip guidebook, p. 67–70.

Hobday, D. K., Morton, R. A., and Collins, E. W., 1979, The Queen City Formation in the East Texas

Embayment: a depositional record of riverine, tidal, and wave interaction: Gulf Coast Association

of Geological Societies Transactions, v. 29, p. 136–146.



Abstracts



Paine, J. G., Buckley, S. M., Collins, E. W., and Wilson, C. R., 2011, Assessing collapse risk in

evaporite sinkhole-prone areas using gravimetry and radar interferometry (ext. abs.), in SEG

2011: Energy Flowing from Innovation, San Antonio, September 18‒23.

Collins, E. W., and Baumgardner, R. W., Jr., 2011, Draft geologic map of the east part of the Cleburne

30 × 60 minute quadrangle, North-Central Texas: transportation/population corridor south of Fort

Worth (abs.): Austin Geological Society Bulletin, v. 7.

Paine, J. G., Wilson, C. R., and Collins, E. W., 2009, Rapid-response gravity survey at Daisetta,

Texas (ext. abs.), in The Daisetta sinkhole: joint meeting of the Association of Environmental and

Engineering Geologists, Texas Section, and the Houston Geological Society, January 17,

Daisetta Texas, p. 6–7.

Collins, E. W., Tremblay, T. A., Caudle, Tiffany, Vincent, Jeffrey, and Mathew, Sojan, 2009, Texas

STATEMAP Program (abs.): Geological Society of America, South-Central Section, Abstracts

with Programs, v. 41, no. 2, p. 31.

Mathew, S., and Collins, E. W., 2008, A comparison of digital photogrammetric and lidar high

resolution digital elevation models of Bolivar Peninsula, Texas, USA (abs.), in Joint Meeting of

The Geological Society of America, Houston, Texas, USA.

Collins, E. W., 2008, Geologic map of the southeast part of the Austin, Texas, 30 × 60 minute

quadrangle: central Texas population corridor encompassing Bastrop and Smithville (abs.), in

Geological Society of America South Central Section 42nd Annual Meeting, 30 March–April 1, Hot

Springs, Arkansas, Paper No. 13-2.

Collins, E. W., and Muehlberger, W. R., 2008, Geology of the Glenn Spring Quadrangel, Big Bend

National Park (abs.): Geological Society of America Abstracts with Programs, v. 40.

Paine, J. G., Collins, E. W., and Nance, H. S., 2007, Stream-axis EM from a helicopter: identifying

salinity sources in a large river basin (ext. abs.), in EAGE 69th Conference & Exhibition—London,

UK, 11–14 June, 5 p.

Collins, E. W., Muehlberger, W. R., and Dickerson, P. W., 2007, Landslides at Chilicotal Mountain,

Glenn Spring Quadrangle, Texas, Big Bend National Park (abs.): Geological Society of America

Bulletin, v. 39, no. 6, p. 634.

Dickerson, P. W., Muehlberger, W. R., and Collins, E. W., 2007, Oligocene magmatism and xenoliths

of accreted lithosphere—Glenn Spring and adjacent intrusions, Big Bend National Park (abs.):

Geological Society of America Bulletin, v. 39, no. 6, p. 634.

Paine, J. G., Collins, E. W., and Nance, H. S., 2007, Stream-axis EM from a helicopter: identifying

salinity sources in a large river basin (abs.), in 14th Annual International Petroleum Environmental

Conference Abstracts, Houston, Texas, November 6–9, p. 51.

Gibeaut, J. C., Tremblay, T. A., Waldinger, Rachel, Collins, E. W., Smyth, R. C., White, W. A.,

Hepner, T. L., Andrews, J. R., and Gutiérrez, Roberto, 2007, Developing a barrier island

geohazards map: Galveston Island, Texas (abs.), in Coastal Zone 07 final program, Portland,

Oregon, July 22–26, CD-ROM.

Collins, E. W., and Tremblay, T. A., 2007, Geologic mapping in Central Texas aquifer areas and

populated corridors for the Texas STATEMAP Program (abs.): Geological Society of America

Abstracts with Programs, v. 39, no. 3, p. 21.

Collins, E. W., Raney, J. A., Tremblay, T. A., Gibeaut, J. C., Waldinger, R. L., White, W. A., and

Paine, J. G., 2006, Geologic mapping for the Texas STATEMAP program (abs.): Geological

Society of America, South-Central Section, Abstracts with Programs, v. 38, no. 1, p. 6.

Paine, J. G., Collins, E. W., Nance, H. S., and Niemann, K., 2005, Identifying salinity sources and

quantifying salinity loads along two Texas streams using stream-axis airborne EM and focused

hydrochemistry (abs.): EOS Transactions of the American Geophysical Union, v. 86, no. 52, Fall

Meeting Supplement, Abstract Number H23G-06.

Collins, E. W., 2005, Structural characteristics of the Balcones Fault Zone and Edwards aquifer within

the Austin-San Antonio-Del Rio region of Central Texas (abs.): Geological Society of America

Abstracts with Programs, v. 37, no. 3, p. 5.

Blome, C. D., Faith, J. R., Smith, B. D., Clark, A. K., Collins, E. W., Clark, A. R., and Ozuna, G. B.,

2005, Geologic mapping of the Edwards and Trinity aquifer systems and its synergy with

hydrogeologic modeling (abs.), in The abstract book of the 2005 Ground Water Summit Program,

April 17–20, San Antonio, p. 223–225.

Paine, J. G., Smith, B. D., Collins, E. W., Smith, D. V., Blome, C. D., Pantea, Michael, and Abraham,

J. D., 2005, Geophysical investigations and geo-hydrologic mapping of the Edwards and Trinity

aquifers in the Seco Creek area, Medina and Uvalde Counties, TX (abs.), in The abstract book of

the 2005 Ground Water Summit Program, April 17–20, San Antonio, p. 226–227.

Paine, J. G., Collins, E. W., and Nance, H. S., 2005, Combining airborne EM and surface-water

analyses to identify natural and oil-field salinity sources that degrade water quality in two Texas

streams (abs.): Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 98–99.

Collins, E. W., 2005, Geology of the northern Edwards aquifer segment along the Interstate 35

corridor of Round Rock, Georgetown, and Salado, Central Texas (abs.): Geological Society of

America Abstracts with Programs, v. 37, no. 7, p. 215.

Dickerson, P. W., Muehlberger, W. R., and Collins, E. W., 2004, Metamorphic xenoliths and fracture

patterns in Glenn Spring Sill, Big Bend N. P.―new data from the northernmost Coahuila block

(abs.): Geological Society of America Abstracts with Programs, v. 36, no. 5.

Collins, E. W., Raney, J. A., Tremblay, T. A., and Paine, J. G., 2003, Mapping geologic elements

important to land use and water management, Central Texas and West Texas urban-growth

areas (abs.): Geological Society of America Abstracts with Program, v. 34, no. 7, p. 69.

Collins, E. W., Tremblay, T. A., and Raney, J. A., 2003, Geologic mapping for the Texas Statemap

Program (abs.): Austin Geological Society Newsletter, v. 37, no. 6, p. 8.

Collins, E. W., Tremblay, T. A., and Raney, J. A., 2002, Geologic mapping of the north Austin urban

corridor and northern Edwards aquifer for the Texas STATEMAP program (abs.): Geological

Society of America, South-Central Section, Abstracts with Programs, v. 34, no. 2, p. A-9.

Raney, J. A., Collins, E. W., and Hovorka, S. D., 2002, Geologic maps and groundwater resource

evaluation and protection, Edwards limestone aquifer, Texas (abs.): AEG News, v. 45, p. 80.

Collins, E. W., Woodruff, C. M., Jr., and Tremblay, T. A., 2002, Geologic framework of the northern

Edwards aquifer, Central Texas (ext. abs.): Gulf Coast Association of Geological Societies

Transactions, v. 52, p. 135–137.

Collins, E. W., Woodruff, C. M., Jr., and Tremblay, T. A., 2002, Geologic framework of the northern

Edwards aquifer, Central Texas (abs.): Gulf Coast Association of Geological Societies, Annual

Convention Official Program, p. 75.

Collins, E. W., Raney, J. A., and Tremblay, T. A., 2001, Geologic mapping of urban corridors and

important aquifer areas for the Texas STATEMAP Program (abs.): Geological Society of America,

Rocky Mountain and South-Central Sections, Abstracts with Programs, v. 33, no. 5, p. A-51.

Collins, E. W., 2000, Reconnaissance investigation of active subsidence and recent formation of earth

fissures near the 1980 Wink Sink in the Hendrick oil field, Winkler County, Texas (abs.):

Geological Society of America Abstracts with Programs, v. 33, no. 3, p. A-6.

Collins, E. W., Raney, J. A., Jeffers, G. J., Andrews, J. R., Dale, Sarah, and Tremblay, T. A., 1999,

Texas STATEMAP Program and new geologic maps of El Paso–northwest Hueco Bolson, Texas,

and New Braunfels, Texas (abs.): Geological Society of America, Abstracts with Programs, v. 31,

no. 1, p. A-5.

Collins, E. W., 1999, Status of geologic mapping and data base development in Texas (abs.), in Soil

Survey and Land Resource Workshop abstracts: College Station, Texas: unpaginated.

Collins, E. W., 1998, Environmental geology of urban growth areas within the Edwards aquifer and

Balcones Fault Zone, South-Central Texas (ext. abs.): Gulf Coast Association of Geological

Societies Transactions, v. 48, p. 537–538.

Collins, E. W., 1998, Environmental geology of urban growth areas within the Edwards aquifer and

Balcones Fault Zone, South-Central Texas: American Association of Petroleum Geologists

Bulletin, v. 82, no. 9, p. 1779.

Collins, E. W., 1998, Geologic maps of environmentally critical urban growth areas of South-Central

Texas (abs.): Geological Society of America Abstracts with Programs v. 30, no. 3, p. 3.

Collins, E. W., 1997, Geologic mapping of critical areas in Texas (abs.), in Soil survey and land

resource workshop 1997 abstracts: Texas Agricultural Extension Service, Texas Agricultural

Experiment Station, and Soil Conservation Service, p. 2.

Collins, E. W., 1997, Geology of the New Braunfels–San Antonio urban growth corridor and Edwards

aquifer region, South-Central Texas (abs.): Geological Society of America Abstracts with

Programs, v. 29, no. 7, p. A-147.

Collins, E. W., and Raney, J. A., 1997, Quaternary surficial deposits of the Hueco Basin, West Texas

(abs.): Geological Society of America Abstracts with Programs, v. 29, no. 2, p. 7.

Collins, E. W., 1996, San Antonio relay ramp: area of stratal continuity between large-displacement

barrier faults of the Edwards aquifer and Balcones Fault Zone, Central Texas (ext. abs.): Gulf

Coast Association of Geological Societies Transactions, v. 46, p. 455–456.

Collins, E. W., and Raney, J. A., 1996, Geologic maps of El Paso, Texas, and Hueco Bolson: critical

data for urban and resources planning (abs.): Geological Society of America Abstracts with

Programs v. 28, no. 1, p. 9.

Collins, E. W., and Raney, J. A., 1996, Quaternary faulting of northwest Trans-Pecos Texas and

Chihuahua, Mexico: a synopsis of fault occurrence, geometries, and slip rates (abs.): Geological

Society of America, South-Central Section, Abstracts with Programs, v. 28, no. 1, p. 9.

Collins, E. W., 1996, San Antonio relay ramp: area of stratal continuity between large-displacement

barrier faults of the Edwards aquifer and Balcones Fault Zone, Central Texas (abs.): American

Association of Petroleum Geologists Bulletin, v. 80, no. 9, p. 149.

Collins, E. W., 1995, Structural framework of the Edwards aquifer, Balcones Fault Zone, Central

Texas (abs.): American Association of Petroleum Geologists Bulletin, v. 79, no. 10, p. 1556.

Hovorka, S. D., Mace, R. E., and Collins, E. W., 1995, Regional distribution of permeability in the

Edwards aquifer (abs.): American Association of Petroleum Geologists Bulletin, v. 79, no. 10, p.

1559.

Collins, E. W., 1994, Geology of the Balcones Fault Zone along the Growth Corridor of San Antonio,

Boerne, Wimberley, and New Braunfels, South-Central Texas (abs.): American Association of

Petroleum Geologists Bulletin, v. 78, no. 9, p. 1452–1453.

Collins, E. W., 1994, Geology of the Balcones Fault Zone along the growth corridor of San Antonio,

Boerne, Wimberley, and New Braunfels, South-Central Texas (ext. abs.): Gulf Coast Association

of Geological Societies Transactions, v. 44, p. 125–126.

Collins, E. W., and Raney, J. A., 1994, Impact of late Cenozoic extension on Laramide overthrust belt

and Diablo Platform margins, northwestern Trans-Pecos Texas (abs.), in Ahlen, Jack, Peterson,

John, and Bowsher, A. L., eds., Geologic activities in the 90s: New Mexico Bureau of Mines and

Mineral Resources Bulletin No. 150, p. 136–137.

Collins, E. W., and Raney, J. A., 1994, Impact of late Cenozoic extension on Laramide overthrust belt

and Diablo Platform margins, northwestern Trans-Pecos Texas (abs.): American Association of

Petroleum Geologists Bulletin, v. 78, no. 3, p. 494.

Collins, E. W., 1993, Quaternary faults of West Texas (abs.): Geological Society of America,

Cordilleran Section, Abstracts with Programs v. 77, no. 9, p. 1584.

Collins, E. W., and Raney, J. A., 1993, Quaternary faults of West Texas (abs.): Geological Society of

America, Cordilleran Section, Abstracts with Programs, v. 25, no. 5, p. 22–23.

Collins, E. W., and Raney, J. A., 1992, Quaternary faults near the proposed Eagle Flat low-level

radioactive waste repository, Trans-Pecos, Texas (abs.): Geological Society of America Abstracts

with Programs, v. 24, no. 7, p. A35.

Collins, E. W., Laubach, S. E., Dutton, S. P., and Hill, R. E., 1992, Depositional environments,

petrology, and fractures of the Atoka Davis Sandstone: a low-permeability gas-bearing sandstone

of the Fort Worth Basin, North-Central Texas (abs.): American Association of Petroleum

Geologists Bulletin, v. 76, no. 4, p. 574.

Collins, E. W., and Raney, J. A., 1991, Late Cenozoic structure and paleotectonics of the Hueco

Basin, Trans-Pecos Texas and Chihuahua, Mexico (abs.): Geological Society of America

Abstracts with Programs, v. 23, no. 4, p. 12.

Collins, E. W., and Raney, J. A., 1990, Tertiary and Quaternary faulting of the Hueco Basin, Trans-

Pecos Texas and Chihuahua, Mexico (abs.): Geological Society of America Abstracts with

Programs, v. 22, no. 7, p. A329–A330.

Collins, E. W., and Raney, J. A., 1989, Quaternary history of the Campo Grande fault of the Hueco

Basin, Hudspeth and El Paso Counties, Trans-Pecos Texas (abs.): Geological Society of

America, Abstracts with Programs, v. 21, no. 6, p. A202.

Collins, E. W., Raney, J. A., Gustavson, T. C., and Henry, C. D., 1988, Geologic studies of potential

sites for a low-level radioactive waste repository, Trans-Pecos Texas (abs.): Geological Society of

America, Abstracts with Programs, v. 20, no. 7, p. A279.

Reaser, D. F., and Collins, E. W., 1988, Style of faults and associated fractures in Austin Chalk:

northern extension of Balcones Fault Zone, Central Texas (abs.): American Association of

Petroleum Geologists Bulletin, v. 72, no. 9, p. 1121.

Collins, E. W., 1987, Characterization of fractures in limestones—northern segment of Edwards

aquifer and Balcones Fault Zone, Central Texas (abs.): American Association of Petroleum

Geologists Bulletin, v. 71, no. 9, p. 1115.

Collins, E. W., 1984, Joints and joint densities at Caprock Canyons State Park, Briscoe County, Texas

Panhandle (abs.): Oklahoma Geological Survey, Oklahoma Geology Notes v. 44, no. 3, p. 81–82.

Collins, E. W., and Goldstein, A. G., 1984, Deformation associated with salt dissolution and collapse,

Texas Panhandle (abs.): Geological Society of America, Abstracts with Programs v. 16, no. 2, p.

81.

Gustavson, T. C., Budnik, R. T, Collins, E. W., Dutton, S. P., Hovorka, S. D., and Ruppel, S. C., 1984,

Geologic issues in isolating nuclear waste in the Palo Duro Basin, Texas (abs.): Oklahoma

Geological Survey, Oklahoma Geology Notes, v. 44, no. 3, p. 78–79.

Collins, E. W., 1983, Joints and joint densities at Caprock Canyons State Park, Briscoe County, Texas

Panhandle (abs.): Geological Society of America, Abstracts with Programs, v. 15, no. 1, p. 3.

Gustavson, T. C., Budnik, R. T, Collins, E. W., Dutton, S. P., Hovorka, S. D., and Ruppel, S. C., 1983,

Geologic issues in isolating nuclear waste in the Palo Duro Basin, Texas (abs.): Geological

Society of America, Abstracts with Programs, v. 15, no. 1, p. 3.

Collins, E. W., and Kreitler, C. W., 1982, Field relationships of ―false cap rock,‖ Butler Salt Dome, East

Texas (abs.): Geological Society of America, Abstracts with Programs v. 14, no. 3, p. 108.

Collins, E. W., Dix, O. R., and Hobday, D. K., 1981, Surface geology of Oakwood Dome, East Texas

(abs.): Geological Society of America, Abstracts with Programs v. 13, no. 5, p. 235.

Pennington, W. D., Kreitler, C. W., and Collins, E. W., 1981, Seismicity near Rusk, East Texas (abs.):

Geological Society of America, Abstracts with Programs, v. 13, no. 5, p. 260.

Collins, E. W., and Hobday, D. K., 1979, Quaternary faulting in East Texas and its implications (abs.):

Geological Society of America, Abstracts with Programs, v. 11, no. 2, p. 145–146.

Hobday, D. K., and Collins, E. W., 1979, Wave and tide reworked fluvio-deltaic sands in the Queen

City Formation, East Texas Embayment (abs.): Geological Society of America, Abstracts with

Programs, v. 11, no. 2, p. 149.

Hobday, D. K., Morton, R. A., and Collins, E. W., 1979, The Queen City Formation in East Texas

Embayment—record of riverine, tidal, and wave-dominated processes (abs.): American

Association of Petroleum Geologists Bulletin, v. 63, no. 9, p. 1603.

Collins, E. W., 1978, Precambrian geology of Grape Creek area, Llano County, Central Texas (abs.):

Stephen F. Austin State University, Abstracts of theses from the Department of Geology, May

1977 to August 1982, p. 6.



Contract Reports



Collins, E. W., Tremblay, T. A., Averett, A. R., and Ortuño, J., 2011, Final report for the FY11 Surface

Casing Estimator Site Project: The University of Texas at Austin, Bureau of Economic Geology,

final report prepared for Texas Commission on Environmental Quality, under contract number

582-11-12225, 9 p.

Collins, E. W., and Baumgardner, R. W., Jr., 2010, Summary report for the 2009-2010 STATEMAP

Project: geologic mapping to support improved database development and understanding of

urban corridors, critical aquifers, and special areas of environmental concern in Texas: The

University of Texas at Austin, Bureau of Economic Geology, contract report prepared for the U.S.

Geological Survey, under cooperative agreement no. G09AC00170, 15 p. + 7 pls.

Paine, J. G., Collins, E. W., Wilson, C. R., and Buckley, S., 2010, Preliminary investigations of

subsidence, collapse, and potential for continued growth of the Daisetta sinkhole, Liberty County,

Texas: The University of Texas at Austin, Bureau of Economic Geology,, report prepared for the

Railroad Commission of Texas, under contract number UTA08-648, 14 p.

Collins, E. W., Tremblay, T. A., Caudle, T. L., Mathew, S., and Vincent, J., 2009, Summary report for

the 2008–2009 STATEMAP Project: geologic mapping to support improved database

development and understanding of urban corridors, critical aquifers, and special areas of

environmental concern in Texas: The University of Texas at Austin, Bureau of Economic Geology,

contract report prepared for the U.S. Geological Survey, under cooperative agreement no.

08HQAG0097, 23 p. + 8 pls.

Paine, J. G., and Collins, E. W., 2009, Preliminary geophysical survey to detect significant shallow

voids near Timpson, Texas: The University of Texas at Austin, Bureau of Economic Geology,

report prepared for the Railroad Commission of Texas, under contract no. UTAA8-066, 14 p.

Paine, J. G., and Collins, E. W., 2008, Geophysical investigations of salinization in Crittendon Field,

Winkler County, Texas: The University of Texas at Austin, Bureau of Economic Geology, report

prepared for Heritage Standard Corporation, under Sponsored Research Agreement No. UTAA8-

028, 11 p.

Collins, E. W., and Tremblay, T. A., 2008, Summary report for the 2007–2008 STATEMAP Project:

Geologic mapping to support improved database development and understanding of urban

corridors, critical aquifers, and special areas of environmental concern in Texas: The University of

Texas at Austin, Bureau of Economic Geology, final report prepared for the U.S. Geological

Survey, under cooperative agreement no. 07HQAG0072, 22 p. + map.

Paine, J. G., and Collins, E. W., 2008, Geophysical investigation of salinization in an oilfield in Winkler

County, Texas: The University of Texas at Austin, Bureau of Economic Geology, report prepared

for Heritage Standard Corporation, under Sponsored Research Agreement No. UTA08-529, 9 p.

Paine, J. G., and Collins, E. W., 2007, Surface and borehole geophysical investigations in the

Wendkirk oil field area, Coke County, Texas: The University of Texas at Austin, Bureau of

Economic Geology, report prepared for TRC Environment Corporation, under Master Service

Agreement BEG-09-06, 44 p..

Collins, E. W., Tremblay, T. A., Gibeaut, J. C., and White, W. A., 2007, Summary report for the 2006–

2007 STATEMAP Project: geologic mapping to support improved database development and

understanding of urban corridors, critical aquifers, and special areas of environmental concern in

Texas: The University of Texas at Austin, Bureau of Economic Geology, contract report prepared

for U.S. Geological Survey under cooperative agreement No. 06HQAG0017, 26 p., 6 plates.

Collins, E. W., Tremblay, T. A., Gibeaut, J. C., Waldinger, R. L., White, W. A., Raney, J. A., Smyth, R.

C., Hepner, T. A., Andrews, J. R., and Gutiérrez, Roberto, 2006, Summary report for the 2005–

2006 STATEMAP Project: geologic mapping to support improved database development and

understanding of urban corridors, critical aquifers, and special areas of environmental concern in

Texas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for

U.S. Geological Survey, under cooperative agreement no. 05HQAG0046, 20 p. + maps.

Paine, J. G., Collins, E. W., and Nance, H. S., 2006, Geophysical investigations of salinization along

the Upper Colorado River between Lake Thomas and Ivie Reservoir, Texas: The University of

Texas at Austin, Bureau of Economic Geology, final report prepared for Texas Commission on

Environmental Quality, under contract number 582-4-56385, work order no. 6, 111 p. + CD-ROM.

Paine, J. G., and Collins, E. W., 2005, Reconnaissance geophysical investigations of salinization

along the upper Colorado River above Lake Spence, Borden, Scurry, Howard, and Mitchell

Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology, report

prepared for Texas Commission on Environmental Quality, under contract no. 582-4-56385, 24 p.

+ CD-ROM.

Collins, E. W., and Raney, J. A., 2005, Geologic mapping to support improved database development

and understanding of urban corridors, critical aquifers and special areas of environmental concern

in Texas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared

for U.S. Geological Survey, under cooperative agreement no. 04HQAG0080, 9 p. + CD-ROM &

map in pocket, scale 1:100,000.

Paine, J. G., Nance, H. S., and Collins, E. W., 2005, Geophysical investigations of salinization along

Petronila Creek, Nueces and Kleberg Counties, Texas: The University of Texas at Austin, Bureau

of Economic Geology, final report prepared for Texas Commission on Environmental Quality,

under contract number 582-4-56385, work order no. 6, 69 p. + CD-ROM.

Raney, J. A., Gibeaut, J. C., Collins, E. W., Tremblay, T. A., Waldinger, Rachel, and White, W. A.,

2004, Summary report for the 2003–2004 STATEMAP Project: geological mapping to support

improved database development and understanding of urban corridors, critical aquifers, and

special areas of environmental concern in Texas: The University of Texas at Austin, Bureau of

Economic Geology, final report prepared for U.S. Geological Survey, under Cooperative

Agreement No. 03HQAG0053, 13 p + 11 maps.

Paine, J. G., and Collins, E. W., 2004, Reconnaissance geophysical investigations of salinization

along Petronila Creek (TMDL Segment 2204), Nueces and Kleberg Counties, Texas: The

University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas

Commission on Environmental Quality, under contract number 582-4-56385, work order no. 4, 32

p. + CD-ROM.

Paine, J. G., and Collins, E. W., 2004, Reconnaissance geophysical investigations of salinization

along the upper Colorado River (TMDL Segment 1426), Coke and Runnels Counties, Texas: The

University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas

Commission on Environmental Quality, under contract no. 582-4-56385, work order no. 4, 39 p. +

CD-ROM.

Collins, E. W., Tremblay, T. A., Gutiérrez, Roberto, Raney, J. A., Rawlings, Jennifer, Lindley, Adrien,

and Hovorka, S. D., 2003, Applications of laser terrain mapping in Central Texas for managing

karst aquifers and land use: The University of Texas at Austin, Bureau of Economic Geology, final

report prepared for California Institute of Technology, Jet Propulsion Laboratory,, under contract

1247072 for the NASA-AAG Program, 34 p.

Collins, E. W., and Raney, J. A., 2003, Summary report for the 2002–2003 STATEMAP Project:

geological mapping to support improved database development and understanding of urban

corridors and critical aquifers of Texas: The University of Texas at Austin, Bureau of Economic

Geology, final report prepared for U.S. Geological Survey, under cooperative agreement

02HQAG0012, 20 p. + map, scale 1:100,000.

Paine, J. G., and Collins, E. W., 2003, Ground-based geophysical investigations in the Seco Creek

area, Medina County, Texas: The University of Texas at Austin, Bureau of Economic Geology,

final report prepared for U.S. Geological Survey, under Order No. 02CRSA0768, 36 p.

Collins, E. W., and Raney, J. A., 2002, Summary report for the 2001–2002 STATEMAP Project:

geological mapping to support improved database development and understanding of urban

corridors and critical aquifers of Texas: The University of Texas at Austin, Bureau of Economic

Geology, final report prepared for the U.S. Geological Survey, under cooperative agreement no.

01HQAG0039, 36 p. + maps.

Hovorka, S. D., Paine, J. G., Reedy, R. C., Collins, E. W., and Lindley, Adrien, 2002, Evaluation of the

potential for cross contamination of the Edwards aquifer from dissolved contaminants in the

shallow groundwater zone in the vicinity of Kelly AFB via faults and wells: The University of Texas

at Austin, Bureau of Economic Geology, final report prepared for U.S. Air Force, Kelly Air Force

Base, 47 p.

Paine, J. G., and Collins, E. W., 2002, Evaluating potential groundwater resources on State lands in

El Paso County, Texas, using airborne geophysics: The University of Texas at Austin, Bureau of

Economic Geology, report prepared for the General Land Office, under interagency cooperation

contract no. 02-306R, 87 p. + CD-ROM.

Collins, E. W., and Raney, J. A., 2001, Summary report for the 2000–2001 STATEMAP Project:

geological mapping to support improved database development and understanding of urban

corridors and critical aquifers of Texas: The University of Texas at Austin, Bureau of Economic

Geology, final report prepared for the U.S. Geological Survey, under cooperative agreement no.

00HQA0015, 38 p. + maps.

Collins, E. W., and Raney, J. A., 2000, Summary report for the 1999–2000 STATEMAP Project:

geological mapping to support improved database development and understanding of urban

corridors and critical aquifers of Texas: The University of Texas at Austin, Bureau of Economic

Geology, final report prepared for U.S. Geological Survey, under cooperative agreement

99HQAG0070, 33 p. + maps.

Collins, E. W., Paine, J. G., and Raney, J. A., 1999, Summary report for the 1998–1999 STATEMAP

Project: geological mapping to support improved data-base development and understanding of

critical aquifers of Texas: The University of Texas at Austin, Bureau of Economic Geology, final

report prepared for U.S. Geological Survey, under cooperative agreement 98HQAG2040, 58 p. +

maps.

Raney, J. A., and Collins, E. W., 1999, Surficial geology and mineral resources of Sierra Blanca Peak,

Hudspeth County, Texas: The University of Texas at Austin, Bureau of Economic Geology, final

contract report for Texas General Land Office, under cooperative agreement 99-178R and UTA

contract no. 98-0542, 14 p. + 2 plates.

Collins, E. W., and Raney, J. A., 1998, Summary report for the 1997–1998 STATEMAP Project:

geological mapping to support improved data base development and understanding of critical

aquifers of Texas: The University of Texas at Austin, Bureau of Economic Geology, final report

prepared for U.S. Geological Survey, under cooperative agreement 1434-HQ-97-AG-01765, 43 p.

+ maps.

Collins, E. W., and Raney, J. A., 1997, Summary report for the 1996–1997 STATEMAP Project:

mapping of 7.5-minute quadrangles to support responsible development in karst aquifer areas

undergoing rapid urban growth, south-central Texas: The University of Texas at Austin, Bureau of

Economic Geology, contract report prepared for U.S. Geological Survey, under cooperative

agreement no. 1434-HO-96-AG-01518, 22 p. + maps.

Mace, R. E., Welch, D. M., Collins, E. W., Parra, S. P., Harren, M. R., and Fisher, R. S., 1997, Data

base of soil, aquifer, and contaminant attributes for leaking petroleum storage tank sites in Texas:

The University of Texas at Austin, Bureau of Economic Geology, final report prepared in

cooperation with the Texas Natural Resource Conservation Commission and the U.S.

Environmental Protection Agency, 19 p. + apps.

Collins, E. W., and Raney, J. A., 1996, Geology of Sierra Del Carmen, West Texas and Mexico: a

general geologic framework to support mapping of biologic (botanical) resources: The University

of Texas at Austin, Bureau of Economic Geology, final report prepared for the National Biological

Service, under contract no. 1445-0004-95-9115, 14 p. + 2 pls.

Collins, E. W., and Raney, J. A., 1996, Summary report for the El Paso, Texas, STATEMAP project,

1996: The University of Texas at Austin, Bureau of Economic Geology, contract report prepared

for the U.S. Geological Survey, under Cooperative Agreement 1434-95-A-1381, 33 p. + maps.

Hovorka, S. D., Mace, R. E., and Collins, E. W., 1995, Regional distribution of permeability in the

Edwards aquifer: The University of Texas at Austin, Bureau of Economic Geology, final report

prepared for Edwards Underground Water District, under contract no. 93-17-FO, 128 p.

Collins, E. W., and Raney, J. A., 1995, Summary report for the New Braunfels, Texas, STATEMAP

project, 1995: The University of Texas at Austin, Bureau of Economic Geology, contract report

prepared for the U.S. Geological Survey, under cooperative agreement no. 1434-94-A-1255, 20 p.

Collins, E. W., and Raney, J. A., 1995, Summary report for the El Paso, Texas, STATEMAP project,

1995: The University of Texas at Austin, Bureau of Economic Geology, report prepared for U.S.

Geological Survey, under cooperative agreement no. 1434-94-A-1254, 22 p.

Dutton, A. R., Collins, E. W., Hovorka, S. D., Mace, R. E., Scanlon, B. R., and Xiang, Jiannan, 1994,

Occurrence and movement of ground water in Austin Chalk and Eagle Ford and Ozan Formations

at the Superconducting Super Collider (SSC) site, Ellis County, Texas: The University of Texas at

Austin, Bureau of Economic Geology, topical report prepared for the Texas National Research

Laboratory Commission, under contract no. IAC(92-93)-0301, 393 p.

Collins, E. W., and Raney, J. A., 1994, Summary report for the New Braunfels, Texas, STATEMAP

Project: The University of Texas at Austin, Bureau of Economic Geology, report prepared for U.S.

Geological Survey, under cooperative agreement no. 1434-93-A-1174, 14 p. + maps.

Raney, J. A., and Collins, E. W., 1994, Mineral resource assessment of lands administered by the

Texas General Land Office in the Franklin Mountains, El Paso County, Texas: The University of

Texas at Austin, Bureau of Economic Geology, report prepared for the Texas General Land

Office, under contract no. IAC 94-208 R, 34 p. + 2 pl.

Raney, J. A., and Collins, E. W., 1994, Summary report for the El Paso, Texas, STATEMAP Project:

The University of Texas at Austin, Bureau of Economic Geology, report prepared for U.S.

Geological Survey, under cooperative agreement no. 1434-93-A-1173, 17 p.

Collins, E. W., and Raney, J. A., 1993, Late Cenozoic faults of the region surrounding the Eagle Flat

study area, northwestern Trans-Pecos Texas: The University of Texas at Austin, Bureau of

Economic Geology, final report prepared for Texas Low-Level Radioactive Waste Disposal

Authority, under interagency contract no. IAC(92-93)-0910, 74 p.

Raney, J. A., and Collins, E. W., 1993, Regional geologic setting of the Eagle Flat study area,

Hudspeth County, Texas: The University of Texas at Austin, Bureau of Economic Geology, final

report prepared for Texas Low-Level Radioactive Waste Disposal Authority, under interagency

contract no. IAC(92-93)-0910, 53 p., 1 pl.

Raney, J. A., Collins, E. W., Darling, B. K., Garner, L. E., Jackson, M. L. W., Langford, R. P., Paine, J.

G., Richter, Bernd, Scanlon, B. R., Seni, S. J., Standen, A. R., Wermund, E. G., Jr., and Xiang,

Jiannan, 1992, Eagle Flat Project, Hudspeth County, Texas: The University of Texas at Austin,

Bureau of Economic Geology, progress report prepared for the Texas Low-Level Radioactive

Waste Disposal Authority, under interagency contract no. IAC(92-93)-0910, 83 p.

Raney, J. A., Baumgardner, R. W., Jr., Collins, E. W., and Wermund, E. G., Jr., 1991, Initial report on

the geology of the northeastern part of the New Braunfels, Texas, 30 × 60 minute quadrangle:

The University of Texas at Austin, Bureau of Economic Geology, contract report prepared for the

U.S. Geological Survey, under cooperative agreement 14-08-001-A0812, variously paginated, 4

pl.

Raney, J. A., and Collins, E. W., 1990, Regional geologic setting of the Fort Hancock study area,

Hudspeth County, Texas: The University of Texas at Austin, Bureau of Economic Geology, report

prepared for the Texas Low-Level Radioactive Waste Disposal Authority, under interagency

contract no. IAC(90-91)-0268, 69 p.

Collins, E. W., and Raney, J. A., 1990, Description and Quaternary history of the Campo Grande fault

of the Hueco Basin, Hudspeth and El Paso Counties, Trans-Pecos Texas: The University of

Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas Low-Level

Radioactive Waste Authority, under interagency contract no. 90-008, IAC(90-91)-0268, 61 p.

Kreitler, C. W., Raney, J. A., Nativ, Ronit, Collins, E. W., Mullican, W. F., III, Gustavson, T. C., and

Henry, C. D., 1987, Siting a low-level radioactive waste disposal facility in Texas, volume four—

geologic and hydrologic investigations of State of Texas and University of Texas lands: The

University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas

Low-Level Radioactive Waste Disposal Authority, under contract nos. IAC(86-87)-0828 and

IAC(86-87)-1061, 330 p.

Kreitler, C. W., Raney, J. A., Mullican, W. F., III, Collins, E. W., and Nativ, Ronit, 1987, Geologic and

hydrologic studies of sites HU1A and HU1B in Hudspeth County, Texas: The University of Texas

at Austin, Bureau of Economic Geology, final report prepared for the Texas Low-Level

Radioactive Waste Disposal Authority, under contract no. IAC(86-87)-1061, 172 p.

Kreitler, C. W., Senger, R. K., and Collins, E. W., 1987, Geology and hydrology of the northern

segment of the Edwards aquifer with an emphasis on the recharge zone in the Georgetown,

Texas, area: The University of Texas at Austin, Bureau of Economic Geology, final report

prepared for the Texas Water Development Board, under contract no. IAC(86-87)-1046, 115 p.

Raney, J. A., Allen, P. M., Reaser, D. F., and Collins, E. W., 1987, Geologic review of proposed

Dallas–Fort Worth area site for the Superconducting Super Collider (SSC): The University of

Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas National

Research Laboratory Commission, under contract no. IAC(86-87)-1708, 17 p.

Kreitler, C. W., Raney, J. A., Mullican, W. F., III, Collins, E. W., and Nativ, Ronit, 1986, Preliminary

geologic and hydrologic studies of sites HU1A and HU1B in Hudspeth County, Texas: The

University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas

Low-Level Radioactive Waste Disposal Authority, under contract no. IAC(86-87)-1061, 104 p.

Kreitler, C. W., Raney, J. A., Nativ, Ronit, Collins, E. W., Mullican, W. F., III, Gustavson, T. C., and

Henry, C. D., 1986, Preliminary geologic and hydrologic studies of selected areas in Culberson

and Hudspeth Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology,

final report prepared for the Texas Low-Level Radioactive Waste Disposal Authority, under

contract no. IAC(86-87)-0828, 184 p.

Brown, L. F., Jr., Nelson, P., Collins, E. W., Jackson, M. L. W., Worrall, J., Glaser, S., Fong, F.,

Norman, C., Phelps, R., Mathewson, C., and Conover, D., 1985, Geological and geotechnical

analysis of potential SSC sites in Texas: The University of Texas at Austin, Bureau of Economic

Geology, final report prepared for the Office of the Governor, State of Texas, variously paginated.

Collins, E. W., and Jackson, M. L. W., 1985, Mineral resource evaluation of the proposed Big Sandy

reservoir site: The University of Texas at Austin, Bureau of Economic Geology, report prepared

for the Sabine River Authority of Texas, 55 p.

Seni, S. J., Collins, E. W., Hamlin, H. S., Mullican, W. F., III, and Smith, D. A., 1985, Phase III:

Examination of Texas salt domes as potential sites for permanent storage of toxic chemical

waste: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for

the Texas Water Commission, under contract no. IAC(84-85)-2203, 310 p.

Kreitler, C. W., Collins, E. W., Fogg, G. E., Jackson, M. P. A., and Seni, S. J., 1984, Hydrogeologic

characterization of the saline aquifers, East Texas Basin—implications to nuclear waste storage

in East Texas salt domes: The University of Texas at Austin, Bureau of Economic Geology, final

report prepared for U.S. Department of Energy, under contract no. DE-AC97-80ET46617, 55 p.

Kreitler, C. W., Bracken, B., Collins, E. W., Conti, R. D., Dutton, S. P., Fogg, G. E., Jackson, M. P. A.,

McGowen, M. K., Pennington, W. D., Seni, S. J., Wilson, B., Wood, D. H., and Wuerch, H. V.,

1982, Geology and geohydrology of the East Texas Basin, a report on the progress of nuclear

waste isolation feasibility studies (1981): The University of Texas at Austin, Bureau of Economic

Geology, report prepared for U.S. Department of Energy, under contract no. DE-AC97-

80ET46617, 62 p.



Atlases/Maps/Cross Sections



Dickerson, P. W., Muehlberger, W. R., and Collins, E. W., 2010, Geologic Map of Mariscal Mountain,

Big Bend National Park, Texas: The University of Texas at Austin, Bureau of Economic Geology,

Miscellaneous Map No. 50, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Blanton Quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Brazos Point Quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Hillsboro West Quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Keene Quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Lakeside Village Quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2010, Geologic map of the Morgan Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology,, Open File Map, scale 1:24,000.

Collins, E. W., 2009, Geologic map of the Blum Quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, Open File Map, scale 1:24,000.

Collins, E. W., 2009, Geologic map of the Covington Quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Map, scale 1:24,000.

Collins, E. W., 2009, Geologic map of the Files Valley Quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Map, scale 1:24,000.

Collins, E. W., 2009, Geologic map of the Itasca Quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Map, scale 1:24,000.

Dickerson, P. W., Muehlberger, W. R., and Collins, E. W., 2009, Geologic map of the Mariscal

Mountain, Big Bend National Park, Texas: The University of Texas at Austin, Bureau of Economic

Geology, Open File Map, scale 1:24,000.

Collins, E. W., 2008, Geologic map of the southeast part of the Austin, Texas, 30 × 60 minute

quadrangle: central Texas population corridor encompassing Bastrop and Smithville: The

University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 47, scale

1:24,000.

Collins, E. W., Muehlberger, W. R., and Dickerson, P. W., 2008, Geologic map of the Glenn Spring

quadrangle, Big Bend National Park, Texas: The University of Texas at Austin, Bureau of

Economic Geology, Miscellaneous Map No. 46, scale 1:24,000.

Collins, E. W., Muehlberger, W. R., and Dickerson, P. W., 2007, Geologic map of the Glenn Spring

quadrangle, Big Bend National Park, Texas: The University of Texas at Austin, Bureau of

Economic Geology, Open-File Geologic Map,, 2 sheets, scale 1:24,000.

Collins, E. W., 2007, Geologic map of the Del Rio, Texas, area: The University of Texas at Austin,

Bureau of Economic Geology, Micellaneous Map, No. 45, scale 1:100,000.

Collins, E. W., 2007, Geologic map of the Bryan West quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map, scale 1:24,000.

Collins, E. W., 2007, Geologic map of the Chances Store quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, Open-File Geologic Map, scale 1:24,000.

Collins, E. W., 2007, Geologic map of the Goodwill quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map, scale 1:24,000.

Collins, E. W., 2007, Geologic map of the Mumford quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map, scale 1:24,000.

Collins, E. W., 2007, Geologic map of the Tunis quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map, scale 1:24,000.

Tremblay, T. A., White, W. A., Waldinger, R. L., and Collins, E. W., 2007, Geo-environmental map of

southwest Bolivar Peninsula, Bolivar and Flake quadrangles, Texas Gulf of Mexico Coast: The

University of Texas at Austin, Bureau of Economic Geology, Open-File Geologic Map, scale

1:24,000.

Collins, E. W., 2006, Geologic map of the Baileyville Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological Survey

under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Collins, E. W., 2006, Geologic map of the Hammond Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological Survey

under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Collins, E. W., 2006, Geologic map of the Maysfield Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological Survey

under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Collins, E. W., 2006, Geologic map of the Calvert Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological Survey

under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Collins, E. W., 2006, Geologic map of the Gause Quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological Survey

under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Collins, E. W., 2006, Geologic map of the Hearne South Quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, Open-File Geologic Map prepared for U.S. Geological

Survey under Cooperative Agreement No. 05HQAG0046, scale 1:24,000.

Tremblay, T. A., Gibeaut, J. C., White, W. A., Waldinger, R. L., and Collins, E. W., 2006,

Geoenvironmental map of northeast Galveston Island, Galveston, Texas Gulf of Mexico Coast:

The University of Texas at Austin, Bureau of Economic Geology, Open-File Geologic Map

prepared for U.S. Geological Survey under Cooperative Agreement No. 05HQAG0046, scale

1:24,000.

Tremblay, T. A., Gibeaut, J. C., White, W. A., Waldinger, R. L., and Collins, E. W., 2006,

Geoenvironmental map of central Galveston Island, Lake Como Quadrangle, Texas Gulf Coast:

The University of Texas at Austin, Bureau of Economic Geology, Open-File Geologic Map

prepared for U.S. Geological Survey under Cooperative Agreement No. 05HQAG0046, scale

1:24,000.

Tremblay, T. A., Gibeaut, J. C., White, W. A., Waldinger, R. L., and Collins, E. W., 2006,

Geoenvironmental map of southwest Galveston Island, Sea Isle and San Luis Pass Quadrangle,

Texas Gulf Coast: The University of Texas at Austin, Bureau of Economic Geology, Open-File

Geologic Map prepared for U.S. Geological Survey under Cooperative Agreement No.

05HQAG0046, scale 1:24,000.

Collins, E. W., 2005, Geologic map of the west half of the Taylor, Texas, 30 × 60 minute quadrangle:

Central Texas urban corridor, encompassing Round Rock, Georgetown, Salado, Briggs, Liberty

Hill, and Leander: The University of Texas at Austin, Bureau of Economic Geology, Miscellaneous

Map No. 43, text 16 p., scale 1:100,000.

Collins, E. W., 2005, Geologic map of the Del Rio, Texas, area: The University of Texas at Austin,

Bureau of Economic Geology, Open File Geologic Map prepared in cooperation with the

STATEMAP component of the National Cooperative Geologic Mapping Program, administered by

the U.S. Geological Survey, scale 1:100,000.

Blome, C. D., Faith, J. R., Collins, E. W., Pedraza, D. E., and Murray, K. E., 2004, Geologic map

compilation of the upper Seco Creek area, Medina and Uvalde Counties, south central Texas:

U.S. Geological Survey, Open File Report 2004-1430,, 21 p., scale 1:50,000.

Collins, E. W., 2004, Geologic map of the Center Point quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open-File map prepared for the U.S. Geological Survey,

under cooperative agreement no. 03HQAG0053, 1 sheet, scale scale 1:24,000.

Collins, E. W., 2004, Geologic map of the A Bar A Ranch quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S.

Geological Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Bandera Pass quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S.

Geological Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Center Point quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological

Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Echo Hill Ranch quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S.

Geological Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Fall Creek quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological

Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Hunt quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological Survey,

under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Kerrville quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological

Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1;24,000.

Collins, E. W., 2004, Geologic map of the Legion quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological

Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2004, Geologic map of the Love Creek quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological

Survey, under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Tremblay, T. A., White, W. A., Waldinger, R. L., and Collins, E. W., 2004, Geoenvironmental map of

the Christmas Point quadrangle, Texas Gulf of Mexico Coast: The University of Texas at Austin,

Bureau of Economic Geology, Open File Geologic Map prepared for the U.S. Geological Survey,

under cooperative agreement no. 03HQAG0053, 1 sheet, scale 1:24,000.

Collins, E. W., 2003, Geologic map of the Seymour aquifer deposits, Vernon, Texas, 30 x 60 minute

quadrangle: The University of Texas at Austin, Bureau of Economic Geology, open-file geologic

map, scale 1:100,000.

Collins, E. W., 2002, Geologic map of the west half of the Taylor, Texas, 30 x 60 minute quadrangle:

Central Texas urban corridor, encompassing Round Rock, Georgetown, Salado, Briggs, Liberty

Hill, and Leander: The University of Texas at Austin, Bureau of Economic Geology, open-file

geologic map prepared for the U.S. Geological Survey under cooperative agreement no.

01HQAG0039, 1 sheet, scale 1:100,000.

Collins, E. W., 2002, Geologic map of the Pace Bend quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Shingle Hills quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Dripping Springs quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Driftwood quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Rough Hollow quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Payton quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Blanco quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Crabapple Creek quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Whitworth Ranch quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Rafter Hollow quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Cypress Creek quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological

Survey under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Uhland quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2002, Geologic map of the Martindale quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 2002, Geologic map of the Central Hueco Bolson, Acala-Fort

Hancock-Esperanza region, Texas: The University of Texas at Austin, Bureau of Economic

Geology, Miscellaneous Map No. 42, text 26 p., scale 1:100,000.

Collins, E. W., 2002, Geologic map of the Henley quadrangle: The University of Texas at Austin,

Bureau of Economic Geology, open-file geologic map prepared for the U.S. Geological Survey

under cooperative agreement no. 01HQAG0039, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Beaukiss quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Fedor quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geological map of the McDade quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Lexington quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Paige quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Smithville quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Smithville SW quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Circle Bluff quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Rio Frio quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Knippa quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Concan quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2001, Geologic map of the Winchester quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 00HQA0015, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Bastrop quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Bastrop SW quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of Blanco Lake quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Coupland quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Elgin East quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Elgin West quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Lake Bastrop quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the New Braunfels, Texas, 30 x 60 minute quadrangle: geologic

framework of an urban-growth corridor along the Edwards aquifer, South-Central Texas: The

University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 39, 1 sheet +

28-p. text, scale 1:100,000.

Collins, E. W., 2000, Geologic map of the Structure quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Trio quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Utley quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Vanderpool quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the Utopia quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 99HQAG0070, 1 sheet, scale 1:24,000.

Collins, E. W., 2000, Geologic map of the New Braunfels, Texas, 30 x 60 minute quadrangle: geologic

framework of an urban-growth corridor along the Edwards aquifer, South-Central Texas: The

University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 39, 28-p.

text, scale 1:100,000.

Collins, E. W., and Raney, J. A., 2000, Geologic map of West Hueco Bolson, El Paso region, Texas:

The University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 40, 24-

p. text, scale 1:100,000.

Collins, E. W., and Raney, J. A., 1999, Geologic map of the West Hueco Bolson, El Paso Region,

Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared

for the U.S. Geological Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale

1:100,000.

Collins, E. W., 1999, Geologic map of the Briggs quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Comanche Waterhole quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Flat Rock Creek SW quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Flat Rock Crossing quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Liberty Hill quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Luling quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Magers Crossing quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Mahomet quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Mud Creek North quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Mud Creek South quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Nameless quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Sabinal quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1999, Geologic map of the Seco Pass quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Paine, J. G., and Collins, E. W., 1999, Geologic map of the Prairie Valley School quadrangle, Texas:

The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the

U.S. Geological Survey under cooperative agreement no. 98HQAG2040, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Castroville quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Del Rio NE quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Del Rio SE quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the D'Hanis quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Ding Dong quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Florence quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Hondo quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Lake Theo quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Leander quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Leander NE quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Murphy School quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Mustang Valley quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Quihi quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Rio Medina quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Rough Canyon SE quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Sabinal NE quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Salado quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Collins, E. W., 1998, Geologic map of the Youngsport quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale 1:24,000.

Raney, J. A., and Collins, E. W., 1998, Geologic map of the Fortress Cliff quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-HQ-97-AG-01765, 1 sheet, scale

1:34,000.

Collins, E. W., and Hovorka, S. D., 1997, Structure map of the San Antonio segment of the Edwards

aquifer and Balcones Fault Zone, south-central Texas: structural framework of a major limestone

aquifer: Kinney, Uvalde, Medina, Bexar, Comal, and Hays Counties: The University of Texas at

Austin, Bureau of Economic Geology, Miscellaneous Map No. 38, 14-p. text, scale 1:250,000.

Collins, E. W., 1997, Geologic map of the Bandera quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Cobbs Cavern quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Del Rio NW quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Del Rio SW quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Georgetown quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Hutto quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Jarrell quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Round Rock quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet,, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Tarpley quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Tarpley Pass quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Texas Mountain quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Timber Creek quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Twin Hollow quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Rough Canyon quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1997, Geologic map of the Weir quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 1434-HO-96-AG-01518, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Canutillo quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Smeltertown quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Isla quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Tornillo quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Fort Hancock NW quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Acala quadrangle, Texas: The University of Texas at Austin,

Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey under

cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the McNary quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Esperanza quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Padre Canyon quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the TP Well quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., 1996, Geologic map of the Whiterock Hills quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-95-A-1381, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1996, Reconnaissance geologic map of Sierra del Carmen, West

Texas and Mexico: The University of Texas at Austin, Bureau of Economic Geology, Open-File

Map, 2 sheets, scale 1:100,000 and 1:50,000.

Collins, E. W., Raney, J. A., Machette, M. N., Haller, K. M., and Dart, R. L., 1996, Map and data for

Quaternary faults in West Texas and adjacent parts of Mexico: U.S. Geological Survey, Open-File

Report, 96-002, 74 p., 1 pl, scale 1:500,000.

Collins, E. W., 1995, Geologic map of the Comfort quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Fort Bliss quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Fort Bliss NE quadrangle: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Fort Bliss SE quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Helotes quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Jack Mountain quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Medina Lake quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Nations East Well quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Nations South Well quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Pipe Creek quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Ranger Creek quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the San Elizario quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the San Geronimo quadrangle, Texas: The University of Texas

at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Turkey Knob quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Van Raub quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., 1995, Geologic map of the Waring quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-94-A-1255, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Clint quadrangle, Texas: The University of

Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Clint NE quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Clint NW quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Clint SE quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Helms West Well quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Hueco Tanks quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1995, Geologic map of the Ysleta quadrangle, Texas: The University

of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological

Survey under cooperative agreement no. 1434-94-A-1254, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Bergheim quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Boerne quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Camp Bullis quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Castle Hills quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Kendalia quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Longhorn quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., 1994, Geologic map of the Sisterdale quadrangle, Texas: The University of Texas at

Austin, Bureau of Economic Geology, open-file map prepared for the U.S. Geological Survey

under cooperative agreement no. 1434-93-A-1174, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1994, Geologic map of the Campo Grande Mountain quadrangle,

Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared

for the U.S. Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale

1:24,000.

Collins, E. W., and Raney, J. A., 1994, Geologic map of the Diablo Canyon West quadrangle, Texas:

The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the

U.S. Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale

1:24,000.

Collins, E. W., and Raney, J. A., 1994, Geologic map of the Cavett Lake quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1994, Geologic map of the Fort Hancock quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale 1:24,000.

Raney, J. A., and Collins, E. W., 1994, Geologic map of the El Paso quadrangle, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for the U.S.

Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale 1:24,000.

Raney, J. A., and Collins, E. W., 1994, Geologic map of the North Franklin Mountain quadrangle,

Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared

for the U.S. Geological Survey under cooperative agreement no. 1434-93-A-1173, 1 sheet, scale

1:24,000.

Collins, E. W., 1993, Geologic map of the Bat Cave 7.5-minute quadrangle, Comal County, Texas:

The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for U.S.

Geological Survey under cooperative agreement 14334-92-A-1085, 1 sheet, scale 1:24,000.

Collins, E. W., 1993, Geologic map of the Bulverde 7.5-minute quadrangle, Bexar and Comal

Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map

prepared for U.S. Geological Survey under cooperative agreement 14334-92-A-1085, 1 sheet,

scale 1:24,000.

Collins, E. W., 1993, Geologic map of the Marion 7.5-minute quadrangle, Guadalupe County, Texas:

The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for U.S.

Geological Survey under cooperative agreement 14334-92-A-1085, 1 sheet, scale 1:24,000.

Collins, E. W., 1993, Geologic map of the McQueeney 7.5-minute quadrangle, Guadalupe County,

Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared

for U.S. Geological Survey under cooperative agreement 14334-92-A-1085, 1 sheet, scale

1:24,000.

Collins, E. W., 1993, Geologic map of the New Braunfels East 7.5-minute quadrangle, Comal and

Guadalupe Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology,

open-file map prepared for U.S. Geological Survey under cooperative agreement 14334-92-A-

1085, 1 sheet, scale 1:24,000.

Collins, E. W., 1993, Geologic map of the New Braunfels West 7.5-minute quadrangle, Comal and

Guadalupe Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology,

open-file map prepared for U.S. Geological Survey under cooperative agreement 14334-92-A-

1085, 1 sheet, scale 1:24,000.

Collins, E. W., 1993, Geologic map of the Schertz 7.5-minute quadrangle, Bexar, Comal, and

Guadalupe Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology,

open-file map prepared for U.S. Geological Survey under cooperative agreement 14334-92-A-

1085, 1 sheet, scale 1:24,000.

Collins, E. W., 1992, Geologic map of the Anhalt 7.5-minute quadrangle, Comal County, Texas: The

University of Texas at Austin, Bureau of Economic Geology, open-file map prepared for U.S.

Geological Survey under cooperative agreement 14-08-0001-A0885, 1 sheet, scale 1:24,000.

Collins, E. W., 1992, Geologic map of the Fischer 7.5-minute quadrangle, Comal and Blanco

Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map

prepared for U.S. Geological Survey under cooperative agreement 14-08-0001-A0885, 1 sheet,

scale 1:24,000.

Collins, E. W., 1992, Geologic map of the Smithson Valley 7.5-minute quadrangle, Comal County,

Texas: The University of Texas at Austin, Bureau of Economic Geology, open-file map prepared

for U.S. Geological Survey under cooperative agreement 14-08-0001-A0885, 1 sheet, scale

1:24,000.

Collins, E. W., 1992, Geologic map of the Spring Branch 7.5-minute quadrangle, Comal, Blanco, and

Kendall Counties, Texas: The University of Texas at Austin, Bureau of Economic Geology, open-

file map prepared for U.S. Geological Survey under cooperative agreement 14-08-0001-A0885, 1

sheet, scale 1:24,000.

Raney, J. A., and Collins, E. W., 1991, Geologic map of the Devils Backbone 7.5-minute quadrangle,

Comal and Hays Counties: The University of Texas at Austin, Bureau of Economic Geology,

open-file map prepared for U.S. Geological Survey under cooperative agreement, 1 sheet, scale

1:24,000.

Baumgardner, R. W., Jr., and Collins, E. W., 1991, Geologic map of the Hunter 7.5-minute

quadrangle, Comal and Hays Counties: The University of Texas at Austin, Bureau of Economic

Geology, open-file map prepared for U.S. Geological Survey under cooperative agreement, 1

sheet, scale 1:24,000.

Collins, E. W., Baumgardner, R. W., Jr., and Raney, J. A., 1991, Geologic map of the Sattler 7.5-

minute quadrangle, Comal County, Texas: The University of Texas at Austin, Bureau of Economic

Geology, open-file map prepared for U.S. Geological Survey under cooperative agreement, 1

sheet, scale 1:24,000.

Collins, E. W., Baumgardner, R. W., Jr., and Raney, J. A., 1991, Geologic map of the Wimberley 7.5-

minute quadrangle, Hays and Comal Counties, Texas: The University of Texas at Austin, Bureau

of Economic Geology, open-file map prepared for U.S. Geological Survey under cooperative

agreement, 1 sheet, scale 1:24,000.

Collins, E. W., and Raney, J. A., 1990, Geologic map of the Campo Grande fault, Hudspeth and El

Paso Counties, Trans-Pecos Texas, in Collins, E. W., and Raney, J. A., Neotectonic history and

structural style of the Campo Grande fault, Hueco Basin, Trans-Pecos Texas: The University of

Texas at Austin, Bureau of Economic Geology, Report of Investigations No. 196, 1 sheet, scale

1:20,800.

Collins, E. W., 1987, Geologic map of the Georgetown–Round Rock area, Williamson County, central

Texas (Round Rock, Georgetown, and Weir 7.5-minute quadrangles), in Kreitler, C. W., Senger,

R. K., and Collins, E. W., Geology and hydrology of the northern segment of the Edwards aquifer

with an emphasis on the recharge zone in the Georgetown, Texas, area: The University of Texas

at Austin, Bureau of Economic Geology, final report prepared for the Texas Water Development

Board under Interagency Contract No. IAC(86-87)-1046, scale 1:24,000.

Collins, E. W., 1986, Geologic map of the Pump Station Hills area, Hudspeth County, Trans-Pecos

Texas (Hueco Station, Scratch Ranch, Black Mountains, and Black Mountains NW 7.5-minute

quadrangles), in Kreitler, C. W., and others, Preliminary geologic and hydrologic studies of sites

HU1A and HU1B in Hudspeth County, Texas: The University of Texas at Austin, Bureau of

Economic Geology, final report prepared for the Texas Low-Level Radioactive Waste Disposal

Authority under contract no. IAC(86-87)-1061, scale 1:48,000.

Collins, E. W., Raney, J. A., Henry, C. D., and Gustavson, T. C., 1986, Geologic map of State Land S-

15, Culberson County, Texas (part of Rustler Hills and Seven L Peak NE 7.5-minute

quadrangles), in Kreitler, C. W., and others, Preliminary geologic and hydrologic studies of

selected areas in Culberson and Hudspeth Counties: The University of Texas at Austin, Bureau of

Economic Geology, final report prepared for the Texas Low-Level Radioactive Waste Disposal

Authority under contract no. IAC(86-87)-0828, scale 1:24,000.

Collins, E. W., Raney, J. A., Henry, C. D., and Gustavson, T. C., 1986, Geologic map of University

Lands Block 46, Culberson County, Texas (Seven L Peak, Chico Draw East, Cow Mountain, and

Delaware Spring 7.5-minute quadrangles), in Kreitler, C. W., and others, Preliminary geologic and

hydrologic studies of selected areas in Culberson and Hudspeth Counties, Texas: The University

of Texas at Austin, Bureau of Economic Geology, final report prepared for the Texas Low-Level

Radioactive Waste Disposal Authority under contract no. IAC(86-87)-0828, scale 1:24,000.

Collins, E. W., 1978, Geologic map of the Grape Creek area, Llano County, Texas (Oxford 7.5-minute

quadrangle), in Precambrian geology of the Grape Creek area, Llano County, Central Texas:

Stephen F. Austin State University, Master’s thesis, scale 1:12,000.



Thesis

Precambrian geology of Grape Creek area, Llano County, Central Texas: Nacogdoches, Texas,

Stephen F. Austin State University, M.S. thesis, 176 p., 1978.



Lecturing

Lectures and Addresses

Draft Geologic Map of the East Part of the Cleburne 30×60 minute Quadrangle, North-Central Texas:

Transportation/Population Corridor South of Fort Worth: Poster presented at Austin Geological

Society, Austin, Texas, March 7, 2011.

Texas STATEMAP Program (poster-session presentation): presented to Austin Geological Society,

Austin, Texas, March 1, 2010.

Texas STATEMAP Program: poster presented at South-Central Geological Society of America Annual

Meeting, Dallas, Texas, March 17, 2009.

Geology of the Glenn Spring Quadrangle, Big Bend National Park: poster presented at Geological

Society of America Annual Meeting, Houston, Texas, October 5, 2008.

Geologic map of the southeast part of the Austin, Texas, 30 × 60 minute quadrangle: central Texas

population corridor encompassing Bastrop and Smithville: presented at Geological Society of America

South-Central Section 42nd Annual Meeting, Hot Springs, Arkansas, March 31, 2008.

Draft geologic map of the southeast Austin population corridor encompassing Bastrop and Smithville,

Texas: poster presented to the Austin Geological Society, Austin, Texas, March 3, 2008.

Geologic map of the southeast part of the Austin, Texas 30 × 60 minute quadrangle: Central Texas

population corridor encompassing Bastrop and Smithville: poster presented at South-Central Section,

Geological Society of America, Annual Meeting, Hot Springs, Arkansas, April 1, 2008.

Stratigraphy and structure of Hays, Comal, and Bexar Counties, Central Texas, and the Comal and

San Marcos Springs area: poster presented to the Edwards Aquifer Area Expert Science

Subcommittee, San Marcos, Texas, March 17, 2008.

Geologic mapping in central Texas aquifer areas and populated corridors for the Texas STATEMAP

Program: poster presented at Geological Society of America Annual Convention, Lawrence, Kansas,

April 12, 2007.

Geologic map of the Glenn Spring Quadrangle, Big Bend National Park, Texas: poster presented to

Austin Geological Society, Austin, Texas, March 5, 2007.

Lower Cretaceous Sycamore Sand and Hammett Shale of Hammetts Crossing area, Pedernales

River valley, Texas: presented on Austin Geological Society field trip, , Texas, October 20, 2007.

Lower Cretaceous Cow Creek Limestone and Hammett Shale of Reimers Ranch Park—Hamilton

Pool area, Pedernales River valley, Texas: presented on Austin Geological Society field trip, , Texas,

October 20, 2007.

Landslides at Chilicotal Mountain, Glenn Spring Quadrangle, Texas, Big Bend National Park: poster

presented at the Geological Society of America Annual Meeting and Exposition, Denver, Colorado,

October 31, 2007.

Geologic mapping for the Texas STATEMAP program: poster presented at Geological Society of

America Convention, Norman, Oklahoma, March 6, 2006.

Geology of the northern Edwards aquifer segment along the Interstate 35 corridor of Round Rock,

Georgetown, and Salado, Central Texas: poster presented at Geological Society of America

Convention, Salt Lake City, Utah, October 17, 2005.

Structural characteristics of the Balcones Fault Zone and Edwards aquifer within the Austin-San

Antonio-Del Rio region of Central Texas: poster presented at Geological Society of America meeting,

San Antonio, Texas, April 1, 2005.

Geologic mapping and construction of digital map data sets of the Edwards aquifer region, Central

Texas: poster presented at Symposium on Edwards Water Resources in Central Texas:

Retrospectives and Prospective, San Antonio, Texas, May 21, 2004.

Faults in the Austin, Texas, area—defining aspects of local structural grain: presented to field trip

participants, Gulf Coast Association of Geological Societies annual convention field trip, Austin,

Texas, and beyond—geology and environment, Austin, Texas, October 2002.

Geologic mapping in Texas—summary of the Texas STATEMAP Program: presented to the Texas

GIS Work Group, Austin, Texas, February 2002.



Public Outreach

Geologic maps: examples and applications: presented to High School Science Fair students, parents,

and teacher (sponsored by the Austin Geological Society), Austin, Texas, March 7, 2011.

Field-trip tour of the geology and landscape of the Austin to Marble Falls, Texas, area: introduction to

the geology of Austin, Balcones Fault Zone, dissected Edwards Plateau, Llano Uplift, and Longhorn

Caverns: presented to Visions Group, Covenant Presbyterian Church, Austin, Texas, April 19, 2010.

Field-trip tour of the geology and landscape of the Austin to Marble Falls, Texas, area: presented to

Visions Group, Covenant Presbyterian Church, Austin, Texas, April 17, 2009.

Geologic maps and map applications: presented to High School Science Fair students, parents, and

teachers (sponsored by the Austin Geological Society), Austin, Texas, March 3, 2008.

Geologic maps: what are they and how are they used?: presented to High School Science Fair

students and teachers (AISD) (sponsored by the Austin Geological Society), Austin, Texas, March 5,

2007.

Austin's geologic elements: landscape, stratigraphy, faults, and springs: presented to Texas

Community College Teachers Association field-trip participants, Austin, Texas, February 19, 2005.



Field Trips

Co-Leader, Reimers Ranch and Westcave Preserve: landscapes, water, and Lower Cretaceous

stratigraphy of the Pedernales watershed, western Travis County, Texas: Austin Geological Society,

Austin, Texas, October 20, 2007.

Leader, An introduction to the geology of Austin, Texas: Texas Community College Teachers

Association Annual Convention, Austin, Texas, February 2005.

Co-Leader, Time, land, and Barton Creek—an excursion to Shield Ranch, Travis and Hays Counties,

Texas: Austin Geological Society, Austin, Texas, April 2003.

Co-Leader, Austin, Texas, and beyond—geology and environment: Gulf Coast Association of

Geological Societies 52nd Annual Convention, Austin, Texas, October 2002.

Co-leader, Austin, Texas, and beyond—geology and environment: a field excursion in memory of L.

Edwin Garner: Austin Geological Society, Austin, Texas, April 2001.

Co-leader of field trip, Rocks, Landscapes, Development—Geology and Man in the San Antonio Area:

Gulf Coast Association of Geological Societies annual convention, San Antonio, Texas, October 1996.

Leader, Geology of the Proposed Faskin Ranch Low-Level Radioactive Waste Site and Surrounding

Areas of West Texas: presented to Sul Ross State University Environmental Geology and Subsurface

Geology classes, Sierra Blanca and Faskin Ranch, Texas, February 1995.

Co-Leader, Faults and Fractures in the Balcones Fault Zone, Austin Region: Symposium on Studies

Related to Continental Margins, Austin, Texas, November 1992.

Co-Leader, Faults and Fractures in the Balcones Fault Zone, Austin Region, Central Texas: Austin

Geological Society, Austin, Texas, November 1990.

Co-Leader, Geology of Dallas–Fort Worth SSC Site: U.S. Department of Energy subcontractors for

environmental evaluation of SSC sites, Dallas-Fort Worth, Texas, March 1988.

Co-Leader, Quaternary Geology and Geomorphology of the Rolling Plains, Texas Panhandle:

Geological Society of America National Meeting, Texas Panhandle, Texas, November 1986.

Co-Leader, Palo Duro Basin Field Trip: U.S. Department of Energy and subcontractors, March 1984.

Co-Leader, Elements of the Geomorphology and Quaternary Stratigraphy of the Rolling Plains of the

Texas Panhandle: Friends of the Pleistocene field trip, Texas Panhandle, Texas, April 1984.

Co-Leader, Middle Eocene Coastal Plain and Nearshore Deposits of East Texas: Society of Economic

Paleontologists and Mineralogists, Gulf Coast Section, Spring field trip, April 1981.

Co-Leader, Middle Eocene Coastal Plain and Nearshore Deposits of East Texas: Society of Economic

Paleontologists and Mineralogists, Gulf Coast Section, Spring field trip, May 1980.

Co-Leader, Field Trip to Salt Domes in the East Texas Basin: U.S. Department of Energy, September

1980.



Miscellaneous Activities of a Professional Nature

Participant in the National Park Service Geologic Resource Inventory Scoping for Alibates National

Monument and Lake Meredith Recreation Area, May 11, 2011

Field and office work with two JSG undergraduate student researchers on EDMAP geologic mapping

project, June through August, 2010

Participant in the National Park Service Geologic Resource Inventory Scoping for Big Thicket National

Preserve, October 3, 2008

Participant in National Park Service Geologic Resource Inventory Scoping for San Antonio Missions

National Historic Park, Palo Alto Battlefield National Historic Site, Amistad National Recreation Area,

and Fort Davis National Historic Site, April 22–24, 2008

Expert witness testimony, 2003

Mentor, Field Mentoring Program of Association of American State Geologists, June–August, 2000





Reviews of Articles, Abstracts, and Research Proposals

Texas Water Development Board Report (Brackish Groundwater Resources of the Pecos Valley

Aquifer, West Texas, by J.E. Meyer, M.R. Wise, and Sanjeev Kalaswad)86, , 2011

Bureau of Economic Geology Miscellaneous Map (Geologic Maps: Geologic Maps Of Upper

Cretaceous and Tertiary Strata, Big Bend National Park, Texas by R.W. Cooper and others)50, , 2011

The University of Texas at Austin, Bureau of Economic Geology (Miscellaneous Map No. 48), 2010

Austin Geological Society Bulletin, no. 4, 11 p. (Article, "The Geology of the Cypress Creek

Watershed, Wimberley Area, Texas, by A. S. Broun, Leslie Llado, D. A. Wierman, and A. H. Backus"),

2008

University of Oklahoma Press (Article, "Geologic Age of Surface Materials," by Ray Stephens, in

Historical Atlas of Texas), 2007, 9 p.

New Mexico Water Resources Research Institute (Hydrogeologic framework of the binational western

Hueco Bolson-Paso del Norte area, Texas, New Mexico, and Chihuahua: overview and progress

report on digital-model development, by J. W. Hawley, J. F. Kennedy, Alfredo Granados-Olivas, and

Marquita A. Ortiz [34 p.]), 2007

Austin Geological Society Bulletin (Precambrian Basement Aquifer, Llano Uplift, Central Texas, by

Brian B. Hunt [23 p.]), 2007, 23 p

The Hydrogeology of Hudspeth County, Texas, Texas Water Development Board Open File Report

05-01 (Geology sections), 2005, 100 p

Geologic Wonders of West Texas, by Donald P. McGookey (Book), 2005, 210 p

Bureau of Economic Geology (Final review of BEG Report of Investigations), 2004