Virginia Equity by EveryAvenue


									                      Coal in Virginia:
                                                                                                                      equity, economy and the environment
                                                                                                                                    PERCENTAgE OF TOTAL ELECTRICITy
                                                              Mining in the Appalachian coalfields began when European
Virginia Natural Resources Leadership Institute — Session 5

                                                              settlers arrived in the region in the 1700s. First used for           gENERATED By SOURCE IN VIRgINIA
                                                              simple home heating and cooking, coal quickly emerged as                                 In Thousand Megawatthours
                                                              the preferred fuel for railroads, steamships and industrial
                                                              processes. Coal now holds a predominant share of the                 Category                 2008         2007        Change (%)
                                                              electric power generation market in the United States and            Coal                    2,847        2,957             -3.7
                                                              worldwide. To keep pace with increasing demand, methods
                                                              of mining coal advanced from pick-and-shovel works to                Natural Gas               656          764            -14.2
                                                              steam-powered equipment, mechanized deep mines and                   Petroleum                 173           34           402.4
                                                              large-scale surface operations. Due to the advent of large           Hydroelectric             107           64            66.4
                                                              earthmoving equipment and the expansion of coal mining               Nuclear                 2572         2404               7.0
                                                              and transport capacity in western states, the majority of U.S.       Renewable                 225          227             -0.9
                                                              production is now from surface mining operations.
                                                                                                                                   Source: Energy Information Administration -
                                                              According to an Energy Information Administration          
                                                              report released in February 2009, coal-generated power
                                                              currently accounts for 48.5 percent of the electricity
                                                              produced in the United States.1                                  The Southwest Virginia coalfield, which occupies an area of
                                                                                                                               approximately 1550 square miles, is currently the source of
                                                              Disregarding environmental impacts and social costs, coal        all of the Commonwealth’s coal production. Virginia’s coal is
                                                              is one of the least expensive sources of energy currently        produced from six counties: Wise, Dickenson, Lee, Buchanan,
                                                              available. Surface mining methods now account for the            Russell and Tazewell9, with about 90 percent of the coal coming
                                                              majority of nationwide production – 69 percent in 2007; a 2      from Wise, Dickenson and Buchanan.10
                                                              percent increase since 2004.2 Virginia is among the top eleven
                                                              coal producing states in the United States. Underground          According to a 2000 report by researchers at Powell River
                                                              mining dominates Virginia’s coal production, comprising 62       Project, about 1.6 billion tons of economically mineable coal
                                                              percent of the combined production in 2007, while surface        reserves remained in Southwest Virginia at that time.11 In 2007,
                                                              mining methods account for the remaining production.3            recoverable reserves, as estimated by United States Department
                                                              These percentages translate into 15.7 million tons of coal
                                                              from underground mines and 9.6 million tons from surface         of Energy, were 767 million tons across Virginia,12 equivalent to
                                                              mining operations in Virginia in 2007.4 The highest level        about 30 more years of production at current rates. However,
                                                              of production achieved by Virginia’s coal industry was           identification of in-ground coal resources as “recoverable”
                                                              46.5 million tons, in 1990. Since that time, Virginia coal       is affected by factors such as market price and production
                                                              production levels have been declining steadily.5                 technology, and thus those identifications change with time.
                                                                                                                               Virginia’s Demonstrated Reserve Base – an estimate of the total
                                                              DISTRIBUTION OF COALBEDS                                         amount of coal that is in seams that are potentially recoverable
                                                              According to the Virginia Department of Mines, Minerals          over the long term – is currently estimated at about 1.6 billion
                                                              and Energy (DMME), the first recorded production of              tons.13 The majority of economically mineable coal reserves
                                                              coal in the United States was in Virginia’s Richmond basin       are in deeper seams that can be accessed only by underground
                                                              in 1798. Since that time, more than 2.4 billion tons of          mines such as room-and-pillar mining and longwall mining.
                                                              coal have been extracted in Virginia.6 Coal is Virginia’s        Most of Virginia’s coal is among the highest quality produced.
                                                              most valuable mineral resource and accounts for about 72
                                                              percent ($1.7 billion) of the revenues from all fossil fuels     It is generally low in sulphur, nitrogen, volatiles, and ash and
                                                              produced in the Commonwealth.7 Coal occurs in Virginia           high in heating value.
                                                              in three geographically distinct areas, totaling approximately   EXTRACTION
                                                              2000 square miles. These areas are the Eastern Coalfields
                                                              (Mesozoic basins), the Valley Coalfields, and the Southwest      Mining methods are often determined by the type and location
                                                              Virginia Coalfield.8                                             of the coal deposit. Coal is mined either by underground
                                                                                                                               mining or by surface mining, which occurs by removing the
                                                                                                                               covering rocks and debris, which are known as ‘overburden’.
                                                                                                                               The amount of overburden that would need to be removed
                                                                                                                               to access each mineable ton of coal, and the cost of moving
                                                                                                                               and reclaiming that overburden, generally determines whether
                                                                                                                               underground or surface mining will be used.

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                                  equity, economy and the environment
                                                                                                                                           operations typically require large blocks of coal and
                                                                        WEST VIRgINIA MININg DISASTER                                      favorable geologic conditions.
Virginia Natural Resources Leadership Institute — Session 5

                                                                   On January 2, 2006, an explosion at a room-and-pillar              Surface Mining
                                                                   mine in Sago, West Virginia caused the mine to collapse
                                                                   and trap thirteen miners for two days. Investigators are           • Open Pit Mining: This type of mining generally occurs in
                                                                   still unclear as to what caused the explosion, but a federal
                                                                                                                                         relatively flat terrain. Large earth-moving equipment,
                                                                                                                                         draglines or shovels are used to remove the fractured
                                                                   inspection 3 weeks before the explosion found dangerous
                                                                                                                                         overburden from the coal. Coal is then generally broken
                                                                   levels of highly explosive coal dust on the roof and walls            up, sometimes by blasting it with explosives, and then
                                                                   of the mine as well as piles of coal several inches deep              extracted. The overburden from one cut is generally used
                                                                   along the mine walls. Each is considered hazardous to the             as fill for the preceding cut. Open pit mining of this type
                                                                   health and safety of miners. Twelve of the thirteen min-              occurs only rarely in Virginia, where the mining areas
                                                                   ers were killed in the disaster, which has brought national           are generally mountainous and better suited to other
                                                                   attention to issues of mine safety.                                   mining methods.
                                                                   As a result of the disaster, several additional regulatory         •   Contour mining: This is the most common form of
                                                                   measures have been passed in state and federal legisla-                surface mining that occurs in Virginia and throughout
                                                                   tures. West Virginia has passed legislation to improve                 Appalachia. Contour mines operate on hillsides where
                                                                   emergency mine response and preparedness, including                    flat-lying coal seams “outcrop,” or come close to the
                                                                   additional emergency oxygen. On a federal level, the Mine              hillside’s sloping surface. The mining operation begins
                                                                   Improvement and New Emergency Response (MINER)                         by removing the overburden on top of the coal, working
                                                                   Act of 2006 was signed into law, followed by supplemental              from the coal seam’s outcropping edge into the mountain.
                                                                   legislation (S-MINER) in January of 2008.                              The mine advances by moving along the mountainside
                                                                                                                                          laterally, sometimes for miles. Today, most of the
                                                                                                                                          overburden material from contour mining is replaced in
                                                              METHODS OF COAL MININg                                                      adjacent pits excavated by prior coal removal. However,
                                                                                                                                          the removal process causes the overburden material to
                                                              Underground Mining                                                          “swell,” or increase in volume, so some of the material
                                                                                                                                          is often placed off site in adjacent valleys or hollows,
                                                              • Room-and-Pillar Mining: Most underground coal is mined                    producing the “valley fills” that are a subject of current
                                                                 by the room and pillar method, whereby rooms are cut                     public controversy (See ‘Valley Fills’).
                                                                 into the coal bed leaving a series of pillars, or columns
                                                                 of coal, to help support the mine roof and control the
                                                                 flow of air. Generally, rooms are 20-30 feet wide and the
                                                                 pillars can be up to 100 feet wide. As mining advances, a
                                                                 grid-like pattern of rooms and pillars is formed. When
                                                                 mining reaches the end of the coal seam, retreat mining
                                                                 begins where workers mine as much coal as possible
                                                                 from the pillars while leaving enough material in place
                                                                 to support the overlying rock and allow the mining to
                                                                 proceed safely. When retreat mining is completed, the
                                                                 mined area is abandoned. Depending on the size of the
                                                                 pillars that are left, the abandoned mine works may or
                                                                 may not collapse, causing a decline in overlying ground
                                                                 surface elevation, or “subsidence”, over time.

                                                              •      Longwall Mining: This method is popular where coal
                                                                     reserves are suitable because of higher levels of safety
                                                                     and efficiency and lower costs. In this method, a
                                                                     rotating shear on the mining machine moves back and
                                                                     forth to shave coal from vertical blocks or panels. It
                                                                     then dumps the broken coal onto a conveyor belt that
                                                                     extends across the longwall. As the mining machine
                                                                     advances, the roof behind it caves in. In 2000, longwall
                                                                     mining accounted for about 25 percent of underground
                                                                     coal production in Virginia, but since 2001, productive
                                                                     capacity information has been withheld to avoid
                                                                     disclosure of individual company data,14 indicating
                                                                     that there are a limited number of companies utilizing
                                                                     this method of coal extraction. There are about 100
                                                                     longwall operations in the United States; most of these              Williams Mountain, a mountaintop removal site in West
                                                                     mines are in the Appalachian region. Longwall mining                 Virginia. Photos by Chuck Wyrostock.

                                                                        A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                                  Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                              434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                                       equity, economy and the environment
                                                              • Mountaintop Removal mining: In this method of surface
                                                                 mining, mountaintops are blasted with explosives to                          MOUNTAINTOP REMOVAL MININg DEBATE
                                                                 reach coal seams. Once the rock surrounding the coal
Virginia Natural Resources Leadership Institute — Session 5
                                                                                                                                            Mountaintop Removal (MTR) mining sites are generally
                                                                 is fractured, the overburden is removed by large earth                     hundreds of acres in size, and some exceed 1000 acres. MTR is
                                                                 moving machines. Seams of coal are then exposed and                        common in southern West Virginia and eastern Kentucky and
                                                                 extracted by large machines and draglines. The process                     occurs in southwestern Virginia and eastern Tennessee. Where
                                                                 is repeated through several hundred feet to expose                         conditions are favorable, MTR allows for faster extraction of
                                                                 multiple seams of coal. Up through the early-2000s,
                                                                                                                                            coal due to the highly mechanized process. Additionally, this
                                                                 it was common for mountaintop removal mines to
                                                                 push the majority of mine spoils into adjacent valleys,                    mining method can achieve essentially 100 percent extraction
                                                                 often producing large expanses of flattened mountains                      of coal reserves due to fully exposed coal seams.
                                                                 and huge valley fills. However, because of regulatory                      MTR is economically efficient on lands for which it is well
                                                                 processes which began in the late 1990s and culminated                     suited, however,this form of mining has many environmental
                                                                 with the release of a Programmatic Environmental                           and health impacts. During coal extraction, some of the
                                                                 Impact Statement in 2005,15 mining operations today
                                                                                                                                            overburden is pushed into the valleys below, producing
                                                                 are required to “minimize” the quantities of overburden
                                                                 that are placed in valley fills. Thus, mountaintop                         “valley fills”. In some cases, mountaintop removal mining and
                                                                 mining operations today often rebuild some portion                         associated valley fills have been alleged to create flash floods.
                                                                 of the original mountainous terrain. (See ‘Mountaintop                     Studies have shown that hydrologic impacts of such mining
                                                                 Removal Mining Debate’)                                                    operations vary from site to site, presumably in response to
                                                                                                                                            reclamation methods used. 1
                                                              COAL COMMUNITIES AND EMPLOyMENT
                                                                                                                                            Although it is possible to “reclaim” MTR mines by restoring
                                                              In the early 1900s, coal towns were commonly built by coal                    the “approximate original contour” (AOC) of the land, most
                                                              companies to house mining workers. Miners were often                          mining operations replace the overburden on the mine site
                                                              paid in scrip, a form of company money used to purchase
                                                                                                                                            only to the extent necessary to create a post-mining land use.
                                                              provisions at the company-owned store. However, prices were
                                                              often more inflated at company stores than in surrounding                     While flat lands created by mining can create opportunities for
                                                              communities, so it was often difficult for workers to save                    industrial and commercial economic development that would
                                                              money or make enough to live on weekly. Living and working                    not otherwise be possible in the Appalachian terrain, many
                                                              conditions were arduous and dangerous. Many miners were                       such sites remain unused today.
                                                              injured in the mines, or developed illnesses, such as black                   Issues associated with widespread mountaintop removal mining
                                                              lung, or other disabilities after they were no longer able to
                                                                                                                                            continue to be addressed by regulatory agencies. A major
                                                              work in the mines. Population in coal mining towns decreased
                                                              throughout the early 20th Century as mechanized mining                        activity was the preparation of a Programmatic Environmental
                                                              replaced many miners who were forced to move or look for                      Impact Statement to address mountaintop mining issues.
                                                              work in other areas. Today, the classic “coal towns,” owned                   The process was initiated in the late 1990s, concluded in
                                                              and operated by the mining firms, no longer exist and coalfield               20052 and found that the AOC variance requirements for
                                                              residents who are engaged in mining occupations live in                       mountaintop removal mines were not being met in some
                                                              communities, side by side with people who are engaged in                      states because a number of variances had been approved for
                                                              other occupations.                                                            post-mining land uses such as wildlife habitat (a post-mining
                                                                                                                                            land use that does not comply with SMCRA requirements for
                                                              Although working and living conditions in coalfield areas                     mountaintop removal mining) and agriculture on sites that
                                                              today are dramatically improved compared to years ago,                        were not used for agriculture after mining. In the aftermath
                                                              mechanization of mining operations and, in Virginia, declining                of the Programmatic EIS process, widespread MTR mining
                                                              production, continues to displace workers. Although Virginia                  continues, especially in southern West Virginia and to some
                                                              mines employed 20,000 workers as recently as 1977, coal mine
                                                                                                                                            extent in eastern Kentuckey, but, because of new regulatory
                                                                                                                                            controls, the former practice of leveling mountaintops and
                                                                                                                                            placing the majority of spoil material in valley fills no longer
                                                                                                                                            occurs except on sites where the improved land uses are being
                                                                                                                                            established as required by SMCRA.

                                                                                                                                            1 See US EPA. Draft Programmatic Environmental Impact
                                                                                                                                              Statement on Mountaintop Mining/Valley Fills in Appalachia.
                                                                                                                                     H. Hydrology

                                                                                                                                            2 See US EPA. Draft Programmatic Environmental Impact
                                                                                                                                              and Flooding studies.

                                                                                                                                              Statement on Mountaintop Mining/Valley Fills in Appalachia.

                                                                        image source:

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                      equity, economy and the environment
                                                              employment has declined to fewer than 5,000 workers in
                                                              recent years.16 According to researchers in Virginia Tech’s              COAL CLEANINg AND COAL SLURRy
                                                              Department of Mining and Minerals Engineering, the
Virginia Natural Resources Leadership Institute — Session 5
                                                                                                                               Most “raw coal” produced by mines is sent to a “coal prepara-
                                                              coal industry’s mechanization has been driven by declining       tion plant” for “coal cleaning” so as to remove non-coal con-
                                                              real prices in world and national markets. The labor             taminants, such as earth and rock fragments, prior to shipping
                                                              productivity improvements resulting from coal industry’s         the coal to customers. This process includes separating the
                                                              capital investments is said to allow Virginia coal to remain
                                                                                                                               coal into fine and coarse particle sizes for cleaning processes
                                                              a competitively priced and viable energy source today.
                                                                                                                               that primarily involve use of fluids for gravity separation
                                                              MINED LAND RECLAMATION                                           (i.e. heavier earth materials tend to settle out of suspension
                                                              Mined land reclamation practices are mandated by the             more rapidly than the lower-density coal fragments). A liquid
                                                              Surface Mining Control and Reclamation Act of 1977               byproduct of this process, coal slurry, contains water, coal
                                                              (SMCRA). In Virginia, DMME’s Division of Mined Land              processing chemicals, and small fragments of coal and coal-
                                                              Reclamation is responsible for enforcing SMCRA under             and soil-like materials. The coal wastes are commonly trans-
                                                              oversight by the Department of Interior’s Office of Surface      mitted to disposal areas where the larger particles are used to
                                                              Mining. Reclamation begins by placing overburden materials       construct coal “refuse piles.” These disposal areas can be very
                                                              back into the mined area after the coal has been removed.        large and cover hundreds of acres. The liquid wastes (coal
                                                              Mining firms are required to restore vegetation so as to         slurry) are often transported to “slurry impoundments” that
                                                              control erosion. In order to meet this requirement, they         are constructed within the refuse fills or in nearby locations
                                                              must replace either topsoil or use a “topsoil substitute” such   using refuse materials. The impoundments are designed to
                                                              as an overburden material selected because of its chemical       allow the solid particles to settle out of the slurry while the
                                                              and physical properties. These materials are shaped to a         liquids are discharged from the impoundment to a secondary
                                                              final configuration of the land’s pre-mining “approximate
                                                                                                                               treatment facility, usually a pond. All waters leaving the pond
                                                              original contour,” unless a variance has been obtained.
                                                              Herbaceous vegetation to control erosion is generally            are regulated by the Clean Water Act and must meet Clean
                                                              established with a hydroseeder, in a manner similar to what      Water Act standards.
                                                              is done after highway construction. In Virginia, forestry is
                                                              a common post-mining land use. In order to restore forest        Although the vast majority of coal refuse and coal slurry
                                                              vegetation, seedlings are generally hand- planted.17 Up          disposal facilities are managed without incident and in com-
                                                              through the mid-2000s, it was common for mining firms            pliance with legal requirements, there have been problems.
                                                              to establish pines as the post-mining forest vegetation,         The most significant coal-slurry disaster in the United States
                                                              because pine species are not as sensitive as native hardwoods    occurred in Buffalo Creek, West Virginia in 1972 when a
                                                              to soil conditions. However, with improved knowledge of          coal impoundment dam collapsed, killing 125 people and
                                                              reclamation practices and landowners’ interest in post-          leaving 4,000 more homeless. In 2000, a 300-million-gallon
                                                              mining land value, some mining firms, and most mining            slurry pond collapsed in Martin County, Kentucky; the coal
                                                              firms that operate in Virginia, are now replanting native        slurry released by this event was twenty times larger than the
                                                              hardwoods using a new reforestation technique known as
                                                              the “Forestry Reclamation Approach.”.18                          Exxon Valdez spill. In 1996, two similar, but smaller, events
                                                                                                                               occurred in Lee and Buchanan Counties in Virginia. These
                                                              A significant challenge to mined-land reclamation is             events caused the Virginia Department of Mines, Minerals
                                                              abandoned mined lands (AML), which are lands created by          and Energy to take additional enforcement measures intended
                                                              mining prior to SMCRA and that remain as environmental           to assure these facilities stability, and no similar events have
                                                              liabilities today. By federal law, active mining firms pay a     happened in Virginia since.
                                                              tax for each ton of coal produced, and those “AML Fund”
                                                              dollars are used by mining agencies to reclaim these lands.
                                                              In Virginia, over 71,000 acres of land were affected by coal
                                                              mining prior to SMCRA. One way to accelerate reclamation
                                                              of AML is through remining.19 Because the AML Fund is
                                                              widely acknowledged to be inadequate for reclamation of

                                                                  Example of a
                                                                  site returned to
                                                                 the Approximate
                                                                 Original Contour
                                                                   after mining.
                                                                  Credit-both photos:
                                                                  University of West

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                               equity, economy and the environment
                                                              all such lands in the near future, reclamation agencies are         that black-lung disease kills an estimated 1,500 former coal
                                                              reducing regulatory obstacles and providing incentives for          miners each year, and that one in every 20 miners in the United
                                                              active mining firms to mine coal that remains on AML                States has X-ray evidence of the disease.22 However, this report
Virginia Natural Resources Leadership Institute — Session 5

                                                              sites and to restore those lands to current environmental           does not cite an authoritative source for these figures.
                                                              standards in accord with SMCRA.20
                                                                                                                                  In an effort to reduce mining accidents, new mine safety
                                                              HEALTH, SAFETy AND ENVIRONMENTAL                                    regulations were introduced to the Mine Improvement and
                                                              IMPACTS OF MININg AND COAL                                          New Emergency Response Act (MINER) in 2007. The
                                                              COMBUSTION                                                          legislation calls for stricter exposure standards to coal dust
                                                                                                                                  and asbestos, a ban on belt airways for ventilation, protection
                                                              Historically, coal mining has been one of the world’s most          for whistleblowers and requires more monitoring systems for
                                                              hazardous occupations. Occupational hazards are especially          smoke and gas.23
                                                              acute for underground miners due to dangers such as
                                                              atmospheric dust which, when breathed continuously,                 The health and safety impacts of coal mining are not isolated
                                                              can lead to permanent lung impairments (“Black lung                 to coal miners. Residents living in coal towns often contend
                                                              diseases”); loosened rocks from the “ceiling” or rock               with coal dust, contaminated water, speeding coal trucks and
                                                              materials above the mining cavity, which can cause death or         flooding. One writer reports - without citing a data source -
                                                              injury if they fall on workers; and combustible gases such as       that, in Kentucky, 50 people have been killed and over 500
                                                              methane which, if not properly vented, can accumulate in            injured in the last 5 years by coal trucks, most of which were
                                                              the underground cavity and create a danger of explosions.           overloaded.24 In West Virginia, 14 people drowned between
                                                              Although government laws and regulations intended to                2003 and 2006 due to floods and mudslides alleged by the same
                                                              protect miners’ health and safety have made underground             writer to have been caused by mountaintop removal.25
                                                              coal mines much safer places to work today than they
                                                              have been historically, coal mining remains a hazardous             Billions of gallons of liquid and solid wastes from coal
                                                              occupation. Between 1986 and March 2009, there were                 processing facilities are stored in slurry impoundments, the
                                                              990 coal industry related accidents in Virginia, including 90       vast majority of which are managed safely and in compliance
                                                              fatalities.21 Nationally, although on-site fatalities have fallen   with requirements of the law. However, several incidents
                                                              to about 30 per year, an Earth Policy Institute report claims       involving slurry impoundments have been in the news and have
                                                                                                                                  engendered public concern. For example, in the town of Rock
                                                                              POWELL RIVER PROJECT                                Creek, West Virginia, Marsh Fork Elementary School is located
                                                                                                                                  directly beneath a Massey Energy subsidiary’s processing plant
                                                                  The Powell River Project is a unique public-private
                                                                  partnership between Virginia Tech, other educational
                                                                  institutions in southwestern Virginia and natural resource
                                                                  industries.1 Virginia Tech faculty and students who work
                                                                  with Powell River Project conduct research to develop
                                                                  better land reclamation and environmental protection
                                                                  practices - working in cooperation with the coal industry.
                                                                  Powell River Project staff work with schoolteachers and
                                                                  students to demonstrate scientific concepts in the field
                                                                  at the Powell River Project Education Center in Wise
                                                                  County, Virginia. This 1,100-acre center, owned by Penn
                                                                  Virginia Resource Partners, hosts active coal mining, gas
                                                                  and timber production, and former mines, as well as long-
                                                                  term research sites and field-based education programs
                                                                  that focus on coal mining and the environment.                       Above: Don Cherry, Virginia Tech Department of Biology, taking
                                                                                                                                       a water sample of acid mine drainage at an abandoned mine at
                                                                  The Powell River Project conducts research and education             Ely Creek in Lee County.
                                                                  programs to enhance restoration of mined lands and to
                                                                  benefit communities and businesses in southwestern Vir-
                                                                  ginia’s coalfield region. Since its 1980 beginning, research
                                                                  at the Powell River Project has developed effective, cost-
                                                                  efficient mine reclamation and environmental protection
                                                                  practices that are helping the Appalachian coal industry
                                                                  remain competitive while protecting the environment. The
                                                                  Forestry Reclamation Approach, for example, is based on
                                                                  Powell River Project research. Over 40,000 students and
                                                                  teachers from local schools have participated in environ-
                                                                  mental education programs at the Education Center.

                                                                  1 See Powell River Project website at

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                           equity, economy and the environment
                                                              where almost 3 billion gallons of coal slurry is stored
                                                              behind a 385-foot earthen dam. The slurry, which contains                  FORESTRy RECLAMATION APPROACH
                                                              extremely high levels of mercury, cadmium and nickel, has
Virginia Natural Resources Leadership Institute — Session 5

                                                              been found to be leaking into the creek and groundwater              The Forestry Reclamation Approach is a new method for
                                                              around the school. A marked increase in student illnesses,           reclaiming coal mines to forested land uses that is based on
                                                              including respiratory problems, was documented to have               research conducted at Virginia Tech through Powell River
                                                              occurred at the school since establishment of the coal               Project, under leadership of Forestry Professor James Burger.
                                                              processing operations which produce the slurry and                   The Forestry Reclamation Approach is usually described as
                                                              are near the school, leading to claims by members of                 entailing “five steps”:
                                                              the community that the coal processing activities have               1. Create a suitable rooting medium for good tree growth
                                                              contributed to student health problems.26                                  that is no less than 4 feet deep
                                                                                                                                   2. Loosely grade the rooting medium to create a non-
                                                              Appalachian communities benefit from coal mining’s                         compacted growth medium
                                                              economic impacts and employment, but they also bear                  3. Use herbaceous ground covers that are compatible with
                                                              the brunt of problems that result from coal mining and
                                                                                                                                         growing trees
                                                              processing activities. The impacts of coal-burning power
                                                              plants, however, reach further. Atmospheric emissions                4. P l a n t t wo t y p e s o f t r e e s – e a r l y s u c c e s -
                                                              from burning coal include sulfur dioxide (SO2), carbon                     sion species for wildlife and soil stability, and
                                                              dioxide (CO2), particulate matter, Nitrogen oxides (NOX)                   commercially valuable crop trees such as native hard-
                                                              and mercury. Emissions of NOx from coal, and other                         woods.
                                                              sources such as automobiles, combine with atmospheric                5. Use proper tree planting techniques
                                                              hydrocarbons to form ground-level ozone, a highly                    The Forestry Reclamation Approach is being advocated by
                                                              corrosive gas that contributes to respiratory and coronary           regulatory agencies, including US Office of Surface Mining
                                                              distress, low birth weight and increased infant mortality.           and Virginia Department of Mines, Minerals and Energy.1
                                                              Coal-burning is the nation’s leading emission source for             All new surface mining permits approved in Virginia in 2007
                                                              SO2, which can also be harmful to human health when it               and 2008 included the Forestry Reclamation Approach as a
                                                              exceeds health-based concentration limits, which rarely              major component of the Reclamation Plan that is required by
                                                                                                                                   SMCRA,2 and reclamation is proceeding according to plan on
                                                                           CLEAN COAL TECHNOLOgy                                   those mining permits. Photo Courtesy of Carl Zipper
                                                                 Advances in technology have the potential to dramatically
                                                                 reduce pollution from coal-fired power plants. Two mod-
                                                                 ern plants in the U.S. and two more in Europe are using
                                                                 a technology known as integrated gasification combined
                                                                 cycle (IGCC) to separate pollutants prior to combustion.
                                                                 The process involves using a coal gasifier to convert the
                                                                 coal into gas, while also separating out pollutants such
                                                                 as sulfur, mercury and ash materials from coal, leaving
                                                                 a clean burning fuel comprised primarily of carbon
                                                                 monoxide and hydrogen gas. Installation of additional
                                                                 equipment would substitute hydrogen for carbon, extract
                                                                 the carbon as CO2 and direct it to geologic disposal. This
                                                                 technology would allow the plants to produce electric-
                                                                 ity while emitting a combustion exhaust gas comprised
                                                                 primarily of H2O. This technology, however, has not
                                                                 been installed in the existing plants.                         occurs in the United States today. However, the primary
                                                                 Some of the pollutants that would be removed from              impacts of SO2 are secondary in nature; along with NOx, SO2
                                                                 the coal-gas are actually valuable commodities, such as        contributes to the formation of fine particulate pollutants,
                                                                 ammonia and ammonium sulfate, which can be used                which are the second-leading air-pollutant danger to human
                                                                 to make fertilizers. Disposing of CO2 is more difficult        health in the United States today, after ozone.27
                                                                 and, because the United States does not impose limits
                                                                 on carbon emissions, companies have less incentive to          Although virtually all-commercial coal-burning facilities are
                                                                 reduce these emissions. However, recent experiments            outfitted with some level of pollution controls, coal burning
                                                                 with sequestering carbon several miles below the earth’s       still releases more air pollution per unit of energy than other
                                                                                                                                sources. Despite improvements to air quality throughout the
                                                                 surface have proved hopeful. Initial tests indicate that the
                                                                                                                                U.S. since the Clean Air Act’s passage in 1970, in 2007, 158.5
                                                                 carbon could remain for thousands or even millions of          million people lived in counties that exceeded any national
                                                                 years. Current research is testing methods for causing the     ambient air quality standard (NAAQS)28 due to emissions from
                                                                 injected CO2 to be converted into a solid-phase mineral        coal and other air-pollution sources. Ground-level ozone and
                                                                 form for, essentially, permanent storage.                      particle pollution still present challenges in many areas of the
                                                                                                                                country.29 Effects are particularly acute in urban and ex-urban

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                       equity, economy and the environment
                                                                                                                             by a number of organizations with scientific and medical
                                                                       UNDERSTANDINg THE NUMBERS                             credentials including Physicians for Social Responsibility, a
                                                                                                                             1985 Nobel Prize winner.
Virginia Natural Resources Leadership Institute — Session 5

                                                                                                       1 Coal Car
                                                                                                           =                 Methods of reducing acid rain caused by SO2 (sulfur dioxide)
                                                                                                 100 tons x $50 per ton      pollution from coal-burning power plants include deep
                                                                                                           =                 cleaning the coal before it is burned and using advanced
                                                                                                         $5,000              “scrubbers”, which remove most of the SO2 from the plants’
                                                                                                                             exhaust gases. Although scrubbers do improve air quality,
                                                                                                                             they also increase the amount of solid waste produced by
                                                                                                                             the plants. Most of the toxic compounds are associated with
                                                                                                                             ash materials, which are removed regardless of whether or
                                                                                                                             not scrubbers are used; scrubbers do remove some of the
                                                                                                       1 unit train          mercury that would otherwise be emitted but concentrate it
                                                                                                           =                 in the solid waste.31 Coal combustion is the primary source
                                                                                                        100 cars             of mercury emissions in the United States. Mercury is a
                                                                                                           =                 human toxin that bioaccumulates in fish and the US EPA has
                                                                                                        $500,000             issued a national advisory that encourages pregnant women
                                                                                                                             and children to limit non-commercial fish consumption
                                                                                                                             due to widespread contamination originating from airborne
                                                                                                                             mercury.32 For fetuses, infants and children, the primary health
                                                                                                                             effect of mercury is neurological development. Exposure to
                                                                                                                             mercury in the womb has been shown to affect cognitive
                                                                                                VEPCO - Chesterfield         thinking, memory, attention, language, fine motor skills and
                                                                                                                             visual spatial skills.33 The Obama administration is proposing
                                                                                                 and Clover Plants
                                                                                                                             new regulations that, if implemented, would reduce mercury
                                                                                               2.4 million tons per year     emissions from coal combustion. However, the eventual
                                                                                                                             impact of these regulations on the mercury deposition and
                                                                                                240 unit trains per year.    bioaccumulation problems remain to be seen, since most of
                                                                                               4 unit trains every 3 days    the mercury deposition in the United States today originates
                                                                                                                             from overseas sources.34

                                                                                                                             Globally, in 2004, coal combustion accounted for approximately
                                                                                                                             40 percent of anthropogenic energy-related emissions of
                                                                                                 VA Coal Production          carbon dioxide,35 an infrared-radiation absorbing “greenhouse
                                                                                                            =                gas” that contributes to global warming and climate change.
                                                                                                10 million tons per year     Also in 2004, the Intergovernmental Panel for Climate Change
                                                                                                         surface             estimated that 57 percent of the global emissions of infrared-
                                                                                                            +                absorbing “greenhouse” gases, expressed on a CO2-equivalent
                                                                                                25 million tons per year     basis, was due to CO2 released by fossil fuel combustion.36
                                                                                                     deep mining             Based on these two figures, we can calculate that approximately
                                                                                                    30% exported             22 percent of annual global infrared-absorbing gas emissions
                                                                                                                             due to human activity are caused by coal combustion. In the
                                                                                                                             United States in 2007, coal combustion was responsible for 36
                                                              areas, especially in the eastern United States, but they are   percent of energy-related CO2 emissions.37 New technologies
                                                              also felt in the Southern Appalachians. High-elevation         for capturing CO2 emissions from power plants, and injecting
                                                              mountains trap airborne pollutants blown eastward by the       those captured into geologic reservoirs for long-term storage
                                                              prevailing winds from large utilities and industrial centers   (“carbon capture and storage”, or CCS) are under development
                                                              in West Virginia, the Ohio Valley, northern Alabama            all over the world, including in the United States. These new
                                                              and western Tennessee, as well as pollutants generated         technologies are sponsored by the U.S. Department of Energy,
                                                              locally.                                                       with involvement by major domestic and international energy
                                                                                                                             companies (including electric power and coal).38 In addition
                                                              Research by Abt. Associates, in a report prepared for the      to the lack of current legal requirements, a major obstacle to
                                                              Clean Air Task Force, estimates that 24,000 deaths were        implementing CCS is technology development. Although CCS
                                                              caused by air particulates resulting from coal burning         technology has been implemented successfully at pilot- and
                                                              power plants.30 The study also found that as many as 22,000    demonstration-scales, the “scaling up” of these technologies,
                                                              deaths, along with tens of thousands of asthma attacks         as will be required for large-scale commercial applications, is
                                                              and many nonfatal heart attacks, could be prevented if         still in the early stages.
                                                              plants installed pollution control technology required to
                                                              meet legal limits included under various policy proposals.     Other problems associated with coal power include disposal
                                                              The study was sponsored by the Pew Charitable Trust and        of solid wastes. Each year, coal-fired power plants generate
                                                              commissioned by a coalition of environmental groups            130 million tons of solid, power plant waste.39 Ash materials
                                                              known as ‘Clear the Air’. The study has been embraced          contain elevated levels of toxic heavy metals and most of

                                                                    A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                              Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                          434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                           equity, economy and the environment
                                                              these materials are disposed in landfills. Today, new ash-
                                                              disposal landfills at utility plants are lined to prevent leachate                           VALLEy FILLS
                                                              movement, often with compacted clay materials, but this is a
Virginia Natural Resources Leadership Institute — Session 5
                                                                                                                                   During surface coal mining operations, excess soil and rock
                                                              relatively recent practice. Many of these landfills are located      overburden materials are commonly disposed of in valleys
                                                              near major rivers because coal-fired power plant operation           below the mining operation, in facilities known as “valley fills”
                                                              requires a water source. Due to the high costs required by           or “hollow fills.” Excess spoil occurs commonly during min-
                                                              regulated disposal at the plant sites, some utilities have been
                                                                                                                                   ing for two different reasons. One is the fact that overburden
                                                              pursuing opportunities to divert ash materials into “beneficial
                                                              reuse,” such as road fill and concrete construction, which           rock materials commonly “swell” by a factor of 20% to 30%
                                                              have fewer regulatory constraints. Opponents of these                as a result of the disturbance caused by the mining process.
                                                              practices allege that environmental contamination is a result        The other is that post-mining landforms, in some cases, differ
                                                              of this practice.40 A December 2008 accident involving a             from the pre-mining landforms and occupy smaller volumes.
                                                              coal-ash disposal site operated by Tennessee Valley Authority        Such differences may occur because the post-mining landform
                                                              at its Kingston power plant in Roane County, Tennessee,              is intended to serve a certain land use that cannot be accom-
                                                              focused public attention on issues concerning management             modated by the pre-mining landform, or because of a need
                                                              and disposal of coal ash at power generating facilities.             to alter extremely steep pre-mining contours so as to assure
                                                                                                                                   post-mining landform stability.
                                                              Much public attention has lately been focused on “clean              Valley fills have become an issue of controversy associated
                                                              coal technology” (CCT), a term that is used to describe a            with modern coal mining. The valley fill issue entered the
                                                              new generation of coal-powered electric power facilities.            public arena in association with the mountaintop removal
                                                              Such technologies rely on highly efficient combustion and
                                                              pollution-scrubbing systems to dramatically reduce the               mining controversy, but valley fills are associated with all types
                                                              air emissions from coal-powered electricity production.              of surface mining.
                                                              Compared to conventional coal combustion, some CCTs                  Valley fills are the primary structure that “bury streams,” a
                                                              rely on very different energy-conversion mechanisms and are          widely cited effect of coal surface mining that has become a
                                                              intended to remove CO2 as well as conventional pollutants            public controversy. Between 1985 and 2001 there were 6,700
                                                              from the exhaust gases. For example, a technology known              “valley fills” approved in central Appalachia; of these, about
                                                              as “integrated gasification combined cycle” (IGCC) converts          4500 were constructed or were considered as having the
                                                              the solid coal to a combustible gas, which is used to generate       potential to be constructed as of 2001.1 Primarily as a result
                                                              electric power. Most of the contaminants that contribute to          of these valley fills but also because of associated mining, US
                                                              coal’s air-polluting effects, including sulfur, ash particulates     EPA estimated that 1208 miles of ephemeral, intermittent, and
                                                              and mercury, are removed from the gas prior to combustion,           permanent streams were subject to “direct effects” by min-
                                                              which dramatically reduces their emissions compared to               ing (a term that includes both filling and direct disturbance)
                                                              conventional combustion utilizing scrubbers and other air
                                                                                                                                   in Kentucky, Tennessee, Virginia, and West Virginia over a
                                                              pollution controls. IGCC is also well-suited to CO2 emissions
                                                              control because of the potential to remove carbon from the           10-year period. 2
                                                              coal gas prior to combustion by replacing it with hydrogen,          As well as causing direct effects due to filling, valley fills also
                                                              which causes combustion emissions to be predominantly                have downstream impacts on biotic communities but the full
                                                              comprised of H 2O. Although these technologies are                   extent of and mechanisms for those impacts is unknown.3
                                                              commercially available, they are not being widely utilized at        Discharges from the base of valley fills, as are other min-
                                                              present because most of the coal-fired power plants in use           ing discharges, are permitted as point sources under the
                                                              today were built years ago and the prospects for new laws and        Clean Water Act and must meet Clean Water Act standards.
                                                              regulations that would further restrict coal-fired emissions,        However, a number of research studies have shown that
                                                              including CO2, are uncertain.                                        biotic communities directly below valley fills are commonly
                                                              CONCLUSION                                                           impaired.4 Researchers suspect that reasons for impairment
                                                                                                                                   include elevated conductivity, caused by dissolved minerals, in
                                                              The environmental and health impacts of coal extraction              the waters emerging from the valley fills; reduced quantities
                                                              and utilization are significant, yet so is the demand for coal       of biodegradable organic materials, such as leaves and woody
                                                              and the electric power that it produces. Trends indicate that        debris, entering the streams from the mined watersheds; and
                                                              coal demands will continue to rise. Coal mining will likely
                                                                                                                                   possibly other mechanisms.
                                                              continue to play a significant role in the future of the United
                                                              States, as it has been a strong part of our past. The United         1    US EPA. Draft Programmatic Environmental Impact Statement on Mountaintop
                                                              States relies heavily upon coal to “keep the lights on,” as              Mining/Valley Fills in Appalachia. Chapter 3,
                                                              industry advocates often say.
                                                                                                                                   2 US EPA. Draft Programmatic Environmental Impact Statement on Mountaintop Mining/
                                                                                                                                       p. III.K-22

                                                              Recent developments in processing technology hold promise              Valley Fills in Appalachia. Appendix I, Section

                                                                                                                                   3 Zipper, C. personal correspondence
                                                                                                                                     III-B, Aquatic Metric Results.
                                                              for cleaner sources of coal-generated electricity, but mining
                                                                                                                                   4 For example, see G. Pond et al. 2008. Downstream effects of mountaintop coal mining:
                                                              impacts must also be considered. Will an enhanced ability
                                                              to use coal as an energy source, with reduced environmental             comparing biological conditions using family- and genus-level macroinvertebrate
                                                              and health impacts, be a part of our nation’s energy future?            bioassessment tools. J. North American Benthological Society 27:717–737
                                                              Will increased use of other sources of energy lessen the
                                                              burden on coal as our primary energy source?

                                                                      A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                                Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                            434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179
                      Coal in Virginia:
                                                                                                                                                      equity, economy and the environment
                                                              Resources                                                                                       13 Department of Energy, Annual Coal Report 2007.
                                                                                                                                                                 acr/acr.pdf. Table 15.
                                                              Informative special on coal and mountaintop removal (Bill Moyers                                14 Virginia Energy Patterns and Trends.
Virginia Natural Resources Leadership Institute — Session 5
                                                                                                                                                                 Retrieved 9 March 2009
                                                                                                                                                              15 U.S. Environmental Protection Agency. Mid-Atlantic Mountaintop Mining.
                                                              Coal River Mountain Watch:                                                      16 Virginia Energy Patterns and Trends.; and
                                                                                                                                                                 printed versions for earlier years.
                                                              Virginia Department of Mines, Mineral and Energy (DMME):                                        17 Burger, J.A. and Zipper, C.E. 2002. “How to Restore Forests on Surface-Mined Land”. Virginia
                                                                                                                                                                 Cooperative Extension Publication 460-123. Powell River Project, Virginia Tech. http://www.ext.
                                                                                                                                                              18 See J.A. Burger and others, “How to Restore Forests on Surface-Mined Land” and “The Forestry
                                                              Office of Surface Mines:                                                             Reclamation Approach,” available from Powell River Project at
                                                                                                                                                              19 VA Department of Mines, Minerals and Energy, Division of Mined Land Reclamation. http://
                                                              Clean Air Act:                                                    Retrieved 26 March 2009
                                                                                                                                                              20 VA Department of Mines, Minerals and Energy, Virginia Division of Mined Land Reclamation,
                                                              National Air Trends:                                               , “Remining”
                                                                                                                                                              21 Abbott, Mike, DMME Public Relations Manager. Email correspondence. 31 March 2009
                                                              Virginia’s 2007 Air Monitoring Report:                                     22 Larsen, Janet. “Coal Takes Heavy Human Toll: Some 25,100 U.S. deaths from coal use largely
                                                                                                                                                                 preventable”. Earth Policy Institute, 24 August 2004.
                                                              airmon/publications.html                                                                           Update42_printable.htm. Retrieved 26 March 2009
                                                                                                                                                              23 Twedt, S. “Touch new mine safety legislation is introduced” Pittsburgh Post-Gazette NOW. June
                                                              Powell River Project, Virginia Tech.                                       20, 2007. Retrieved 26 March 2009
                                                              PRP/                                                                                            24 Reece, Erik. “Moving Mountains: The battle for justice comes to the coalfields of Appalachia”.
                                                                                                                                                                 Orion Magazine, January/February 2006.
                                                              PHOTO CREDITS                                                                                   25 Ibid

                                                              rmh1985. “coal cars”. 27 April 2007. Online image. Flickr. 27                                   26 Ibid

                                                              February 2008.                                           27 This statement is based US EPA data on numbers of people living in counties where the Clean
                                                                                                                                                                 Air Act’s National Ambient Air Quality Standards for specific pollutants are not met; data from
                                                              doncon402. “Coal Car”. 23 April 2007. Online image. Flickr. 27                                  28 Data from US EPA,
                                                              February 2008.                                                                                  29 US Environmental Protection Agency. “Highlights.
                                                                                                   pdf ”. Retrieved 26 March 2009
                                                              rtokunaga. “Coal Chimney Stacks”. 27 November 2007. Online                                      30 Power Plant Emissions: Particulate Matter-Related Health Damages and the Benefits of
                                                                                                                                                                 Alternative Emission Reduction Scenarios, a report prepared by Abt Associates for the Clean Air
                                                              image. Flickr. 27 February 2008.                                            Task Force.
                                                              photos/21241934@N05/2070149240/                                                                 31 Zipper, C. personal correspondence 1 April 2009
                                                              Norfolk-Southern Corp. “Pier 6 at Lambert’s Point.”                                             32 US Environmental Protection Agency.
                                                                                                                                                                 html. Retrieved 26 March 2009
                                                              Special Thanks to Carl Zipper, Director, Powell River Project, and                              33 US EPA. Health Effects: Methyl mercury Effects. 7 August 2007.
                                                              Professor, Crop and Soil Environmental Sciences Department, at                                     effects.htm. Retrieved 26 March 2009
                                                              Virginia Tech for assistance with this issue brief.                                             34 US EPA.
                                                                                                                                                              35 US Department of Energy. International Energy Outlook,

                                                              Endnotes                                                                                           pdf/0484(2008).pdf, tables A-10 and A-13.
                                                                                                                                                              36 Fourth Assessment Report, Intergovernmental Panel for Climate Change.
                                                              1 US Department of Energy.             ipccreports/assessments-reports.htm. Working Group 3, Chapter 1, Figure 1-1b.
                                                                Retrieved 19 Feb 2009                                                                         37 US Department of Energy, Energy Information Administration.
                                                              2 US Department of Energy, Annual Coal Report 2007.             environment.html. Environment, Greenhouse Gas Emissions.
                                                                page/acr/acr_sum.html. Table 7. Retrieved 23 Feb 2009                                         38 See, for example, US Department of Energy,
                                                              3 US Department of Energy, Annual Coal Report 2007.             sequestration/; and International Energy Agency,
                                                                page/acr/acr_sum.html. Table 7. Retrieved 23 Feb 2009                                            cdcs.asp
                                                              4 US Department of Energy, Annual Coal Report 2007.          39 Clean Air Task Force.
                                                                page/acr/acr_sum.html. Table 7. Retrieved 23 Feb 2009                                            background.php. Retrieved 26 March 2009
                                                              5 Virginia Energy Patterns and Trends.            40 Ibid
                                                                Retrieved 23 Feb 2009
                                                              6 Virginia Energy Patterns and Trends.
                                                                asp. Virginia Historical Coal Production Table. Retrieved 23 Feb 2009
                                                              7 Virginia Department of Mines Mineral and Energy.
                                                                energyresources.shtml. Energy Resources/Coal/Commodity Fact Sheet. Retrieved 23 Feb
                                                              8 Virginia Department of Mines Mineral and Energy.
                                                                energyresources.shtml. Energy Resources/Coal/Commodity Fact Sheet. Retrieved 23 Feb
                                                              9 Virginia DMMW, Div. of Geology and Mineral Resources.
                                                                dmrpdfs/Coal.pdf. Coal. Retrieved 23 Feb 2009
                                                              10 Virginia Energy Patterns and Trends.
                                                                 prod.asp. Virginia Coal Production Chart 2004. Retrieved 23 Feb 2009
                                                              11 Westman, E., Estimation of Southwest Virginia Coal Reserves.
                                                                 pubs/mines/460-139/460-139.html. Retrieved 9 March 2009
                                                              12 US Department of Energy, Annual Coal Report 2007.
                                                                 page/acr/acr.pdf. Table 15.

                                                                       A Partnership Program of the University of Virginia Institute for Environmental Negotiation, Virginia
                                                                 Cooperative Extension, Virginia Department of Conservation and Recreation and the Virginia Department of Forestry
                                                                             434.924.1970 P.O. Box 400179 Charlottesville, VA 22904-4179

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