Search Results for the EPA National Library Catalog

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Report on Silver Lake, New Castle County, Delaware : EPA Region III / 1975
Report on Sinclair Lake, Baldwin, Hancock, and Putnam Counties, Georgia : EPA Region IV / 1975
Report on Swinging Bridge Reservoir, Sullivan County, New York : EPA Region II / 1974
Report on Thompson Lake, Livingston County, Michigan : EPA Region V / 1975
Report on Williams Pond, Sussex County, Delaware : EPA Region III / 1975
Report to Congress on implementation section 403(c) of the Federal Water Pollution Control Act / 1990
Respiration of Aquatic Macrophytes in Eutrophic Ecosystems. 1971
Response of a salt marsh to oil spill and cleanup : biotic and erosional effects in the Hackensack Meadowlands, New Jersey / 1978
Response of an Alaskan Wetland to Nutrient Enrichment. 1988
Response of Estuarine Diatom Assemblages to Ultraviolet-B Radiation (290-320 nm). 1985
Rock Lake, Jefferson County, Wisconsin. 1974
Role of Aquatic Vascular Plants in the Eutrophication of Selected Lakes in Western Massachusetts. 1967
Role of Organic Debris and Associated Micro-Organisms in Pelagic Estuarine Food Chains. 1973
Role of Sediments in Eutrophication - A Preliminary Study. 1972
Rome Pond, Jefferson County, Wisconsin. 1974
Round Lake, Saratoga County, New York. 1974
Sacandaga Reservoir, Fulton and Saratoga Counties, New York. 1974
Saginaw Bay: An Evaluation of Existing and Historical Conditions. 1974
Saint Clair River and Lake Saint Clair, Michigan: An Ecological Profile. 1988
Salton Sea, California. Water Quality and Ecological Management Considerations. 1970
Santeetlah Lake, Graham County, North Carolina. 1975
Saratoga Lake, Saratoga County, New York. 1974
Schroon Lake, Essex and Warren Counties, New York. 1974
Seasonal Changes in Water Quality and Primary Productivity in Doe Valley Lake. 1974
Seasonal fluctuations of major diatom species at five stations across Lake Michigan : May 1970-October 1972 / 1980
Seasonal Variation of Potential Nutrient Limitation to Chlorophyll Production in Southern Lake Huron. 1981
Sebasticook Lake, Penobscot County, Maine. 1974
Section 74 seafood processing study : executive summary. Appendix, volume II : a report to the congress of the United States / 1980
Seneca Lake, Schuyler County, New York. 1974
Shawano Lake, Shawano County, Wisconsin. 1974
Shelbyville Reservoir, Moultrie and Shelby Counties, Illinois. 1975
Shenango River Reservoir, Mercer County, Pennsylvania. EPA Region III. 1975
Significance of Cellulose Production by Planktonic Algae in Lacustrine Environments. 1972
Sinissippi Lake, Dodge County, Wisconsin. 1974
Six Mile Lake, St. Louis County, Minnesota. 1974
Slatersville Reservoirs, Providence County, Rhode Island. 1974
Soil Biology and Ecology. 1993
Some Effects of Cadmium on Coniferous Forest Soil and Litter Microcosms. 1975
Specific production of aquatic invertebrates 1973
Spring Lake, Washington and Dakota Counties, Minnesota. 1975
St. Louis Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin. 1975
St. Marys River, Michigan: An Ecological Profile. 1987
Statement of Concerns and Suggested Ecological Research. 1975
Steady state modeling program : application manual / 1972
Stream Productivity Analysis with DORM (Dissolved Oxygen Routing Model) - 1: Development of Computational Model. 1984
Stream Productivity Analysis with DORM (Dissolved Oxygen Routing Model) - 2: Parameter Estimation and Sensitivity. 1984
Stream Productivity Analysis with DORM (Dissolved Oxygen Routing Model) - 3: Productivity of Experimental Streams. 1984
Streamside Effect in a 'Carex lyngbyei' Estuarine Marsh: The Possible Role of Recoverable Underground Reserves. 1981
Structural and Functional Aspects of the Ecology of Submerged Aquatic Macrophyte Communities in the Lower Chesapeake Bay. Volume 1. Studies on Structure and Function of a Temperate, Estuarine Seagrass Community: Vaucluse Shores, Lower Chesapeake Bay, Virginia, USA. 1982
Structural and Functional Aspects of the Ecology of Submerged Aquatic Macrophyte Communities in the Lower Chesapeake Bay. Volume 2: Submarine Light Quantity and Quality in the Lower Chesapeake Bay and Its Potential Role in the Ecology of Submerged Seagrass Communities. 1982
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