Search Results for the EPA National Library Catalog

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Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Dillon Reservoir, Muskingum County, Ohio. 1975
Distribution and abundance of predators that affect duck production--Prairie Pothole Region 1993
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana. 1975
Distribution and importance of phytoplankton in the Atchafalaya Basin / 1978
Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2005. 2008
Distribution, Composition and Biomass of the Crustacean Zooplankton Population in Western Lake Superior. 1973
Drowning in oil : BP and the reckless pursuit of profit / 2011
Dynamics of Phytoplankton Blooms in Puget Sound, a Fjord in the Northwestern United States. 1974
Dynamics of the Bering Sea : a summary of physical, chemical, and biological characteristics, and a synopsis of research on the Bering Sea / 1999
E-vision 2002 : shaping our energy future : shaping our future by reducing energy intensity in the U.S. economy / 2003
Eastside forest ecosystem health assessment. the effects of management on soil properties, processes, and productivity Biotic and abiotic processes of eastside ecosystems : 1994
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminants in Lake Erie. Phase III. Parts 5, 6, and 7. 1973
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminents in Lake Erie, Phase I and Phase II. 1971
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 2. 1980
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 7. Model Verification and System Response. 1982
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecology and Productivity of Strip-Mine Areas in Mercer County, Pennsylvania. 1974
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois. 1973
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Economic Analysis of Effluent Guidelines: The Ore Mining and Dressing Industry. 1977
Economic analysis of proposed effluent guidelines : sugar cane milling industry / 1975
Economic analysis of the proposed effluent guidelines : the metal finishing industry / 1974
Economic analysis of the proposed effluent guidelines : the metal finishing industry, Appendix E. 1975
Economic analysis of the proposed effluent guidelines for the ferroalloys industry. 1973
Economic impact analysis of effluent limitations and standards for the copper forming industry / 1982
Economic Impact Analysis of Proposed Amendment to Effluent Limitations and Standards for the Fertilizer Manufacturing Industry. Economic Analysis of the Phosphate Subcategory of the Fertilizer Manufacturing Industry: Louisiana Phosphoric Acid Plants. 1984
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
Ecosystem Changes in Lakes Erie and Ontario. 1981
Ecosystem impacts of urbanization assessment methodology / 1976
Ecosystem Models of the Patuxent River Estuary Relating Nutrient Loading to Production of Selected Fish Populations. Final Report, Year 1. 1994
Ecosystem Perspective on Potential Impacts of Drilling Fluid Discharges on Seagrasses. 1987
Ecosystems analysis of the Big Cypress Swamp and estuaries / 1973
Effect of Secondary Effluents on Eutrophication in Las Vegas Bay, Lake Mead, Nevada. 1986
Effect of Spectral Composition on Photosynthesis in Turbid Reservoirs. Photosynthetic Production in a Turbid Reservoir II. Details of an Incubation Model and Comments on the Effect of Light Quality on Photosynthesis. 1972
Effect of spectral composition on photosynthesis in turbid reservoirs; photosynthetic production in a turbid reservoir II; details of an incubation model and comments on the effect of light quality on photosynthesis, 1972
Effects of Acid Rain on Grapevines. 1983
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels : fifth progress report. 1989
Effects of Canopy Modification and Accumulated Sediment on Stream Communities. 1981
Effects of CO2 and climate change on forest trees : research plan. 1993
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of Development on Salinity and Limnology of the Lower Colorado River. 1973
Effects of Different Mixing Schedules on Phytoplankton, Zooplankton and Nutrients in Marine Microcosms. 1981
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of Extreme Floods and Placer Mining on the Basic Productivity of Sub Arctic Streams. 1971
Effects of limnological factors on water treatment : completion report / 1971
Effects of nutrient enrichment, light intensity, and temperature on growth of phytoplankton from Lake Huron / 1979
Effects of oil shale leachate on phytoplankton productivity 1979
Effects of Physical Gradients on the Production Dynamics of Sediment-Associated Algae. 1983
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