Search Results for the EPA National Library Catalog

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Economic Analysis of Effluent Guidelines: The Ore Mining and Dressing Industry. 1977
Economic analysis of proposed effluent limitations and standards for the gold placer mining industry. 1985
Economic analysis of proposed effluent limitations and standards for the gold placer mining industry. 1985
Economic and environmental impact assessment of final effluent limitations guidelines and standards for the coal mining industry / 2001
Economic and environmental impact assessment of proposed effluent limitations guidelines and standards for the coal mining industry : remining and western alkaline subcategories / 2000
Economic assessment of the potential for profitable use of coal mine methane : case studies of three hypothetical U.S. mines. 1995
Economic Efficiency in the Allocation of Irrigation Water Over Time. 1972
Economic engineering analysis of U.S. surface coal mines and effective land reclamation 1975
Economic impact analysis of effluent limitatins and standards for the coal mining industry / 1982
Economic impact analysis of final effluent limitations guidelines and standards for the gold placer mining industry / 1988
Economic impact analysis of proposed effluent limitations guide-lines, new source performance standards, and pretreatment standards, for the coal mining point source category / 1980
Economic impact of alternative energy development patterns in North Dakota : final report project no.14-01-0001-1598 1974
Economic impact of back to contour reclamation of surface coal mines in Appalachia : the TVA Massengale Mountain Project : final report 1976
Economic Impact of Environmental Regulations on the United States Copper Industry. 1978
Economic Impact of Environmental Regulations on the United States Copper Industry. 1978
Economic impact of interim final and proposed effluent guidelines : coal mining. 1976
Economic impact of interim final and proposed effluent guidelines : mineral mining and processing industry, construction sand and gravel, crushed stone, industrial sand, phosphate rock. 1977
Economic impact of interim final effluent guidelines of the U.S. coal mining industry. 1975
Economic impact of proposed amendments to chapter 4, mine-related pollution (R76-20 and R77-10) 1979
Economic Impact of Surface Mining on Drinking Water: Cost Analysis of Contaminated Household Drinking Water Supplies. 2014
Economic Model of an Area's Response to Depletion of its Water Resources. 1972
Economic situation issues description coal mining / 1974
Economics of Powder River Basin coalbed methane development 2006
Effect of antibacterial agents on mine drainages : use of viable antibacterial agents to reduce pollution by mine drainages / 1969
Effect of drilling fluids on permeability of uranium sandstone 1984
Effect of Strip Mining on Water Quality. 1973
Effectiveness of surface mine sedimentation ponds / 1976
Effectiveness of wet cutter bars in reducing salt mine dust 1981
Effects of Coal Development in the Northern Great Plains. A Review of Major Issues and Consequences at Different Rates of Development. 1975
Effects of coal pile runoff on stream quality and macro-invertebrate communities 1982
Effects of Diminished Groundwater Supplies on Selected New Hampshire Industries. 1973
Effects of Extreme Floods and Placer Mining on the Basic Productivity of Sub Arctic Streams. 1971
Effects of Holden Mine on the water, sediments and benthic invertebrates of Railroad Creek (Lake Chelan) 1997
Effects of humidity on salt mine dust : a preliminary report / 1981
Effects of Irrigation of Municipal Sewage Effluent on Spoil Banks. 1971
Effects of Mines and Valley Fills on Aquatic Ecosystems of the Central Apppalachian Coalfields. 2001
Effects of phosphate mineralization and the phosphate industry on Radium-226 in ground water of central Florida / 1977
Effects of placer mining on water quality in Alaska. 1969
Effects of placer mining on water quality in Alaska. 1969
Effects of Pollution Control on the Nonferrous Metals Industries. Zinc. Part II. Structure of the Industry. 1971
Effects of strip-mine discharges on the marine environment near Cape Rosier, Maine. 1970
Effects of surface coal mining on suspended-sediment discharge in a small mountain watershed, Fayette County, Pennsylvania 1986
Effects of surface configuration in water pollution control on semiarid mined lands / 1977
Effects of surface mining in fish and Wildlife in Appalachia. 1968
Effects of surface mining on the fish and wildlife resources of the United States; 1968
Effects of the disposal of coal waste and ashes in open pits / 1978
Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo. / 1978
Effects of underground coal mining on ground water in the eastern United States / 1980
Effects of Uranium Mining and Milling on Ground Water in the Grants Mineral Belt, New Mexico. 1977
Effects of uranium-mining releases on ground-water quality in the Puerco River Basin, Arizona and New Mexico / 1997
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