Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Geochemical interactions of heavy metals in southeastern salt marsh environments / 1976
Glossosiphonia Heteroclita L.: A Hirudinid Parasitizing Gastropod Mollusks (Glossosiphonia Heteroclita L.: Hirudinee Pedatrice de Mollusques Gasteropedes). 1974
Green Bay Phytoplankton Composition, Abundance, and Distribution. 1979
Guide to the freshwater Tubificidae (Annelida : Clitellata : Oligochaeta) of North America 1982
Guide to the identification, environmental requirements and pollution tolerance of freshwater blue-green algae (Cyanophyta) / 1982
Guide to the identification, environmental requirements and pollution tolerance of freshwater blue-green algae (Cyanophyta) / 1982
Habitat Evaluation of the Upper Des Plaines River and Adjacent Wetlands, 1979-80. 1980
Heptachlor in relation to man and the environment [microform] / 1976
Holographic Determination of Injected Limestone Distribution in Unit 10 of the Shawnee Power Plant. 1970
Hydraulic Simulation in Instream Flow Studies: Theory and Techniques. 1978
Hydrologic Response of Ice-Covered Streams. 1973
Impact of proposed and alternative de minimis levels for criteria pollutants / 1980
Impact of proposed and alternative de minimis levels for criteria pollutants / 1980
Influence of advanced wastewater treatment on the fishery resource of Shagawa Lake, Minnesota / 1980
Influence of Colloids on Sediment-Water Partition Coefficients of Polychlorobiphenyl Congeners in Natural Waters. 1986
Iron in Surface and Subsurface Waters, Grizzly Bar, Southeastern Alaska. 1972
Kansas Leeches (Annelida: Hirudinea) With Notes on Distribution and Ecology. 1979
Lagrangian-Eulerian Approach to Modeling Contaminants. 1986
Land treatment of municipal wastewater effluents. Design factors. 1976
Larval fish distributions in southwestern Lake Erie near the Monroe Power Plant / 1978
Las Vegas Valley water budget : relationship of distribution, consumptive use, and recharge to shallow ground water / 1978
Leeches (Annelida : Hirudinea) of North America / 1982
Leeches (Annelida: Hirudinea) Found in North American Mollusks. 1976
Leeches of North America {Microfiche} (Final Report) 1982
Limnetic Larval Fish in the Near Shore Zone of the Western Basin of Lake Erie (Journal Version). 1981
Limnetic Larval Fish in the Ohio Portion of the Western Basin of Lake Erie, 1975-1976. 1981
Marine bird populations of the Strait of Juan de Fuca, Strait of Georgia, and adjacent waters in 1978 and 1979 / 1981
Mass balance modeling of heavy metals in Saginaw Bay, Lake Huron 1982
Maximum utilization of water resources in a planned community : eutrophication potential of surface waters in a developing watershed / 1980
Maximum utilization of water resources in a planned community eutrophication potential of surface waters in a developing watershed / [microform] : 1980
Mayfly Distribution as a Water Quality Index. 1970
Mercury in the St. Louis River, Mississippi River, Crane Lake, and Sand Point Lake: Cycling, Distribution, and Sources. Report to the Legislative Commission on Minnesota Resources. 1992
Model validation and time-concentration analysis of three power plants / 1975
Mortality Estimates from Size Distributions: A Critique of Smith's Model. 1977
Mortality Rates from Size Distribution: The Application of a Conservation Law. 1976
Nearshore Fish and Macroinvertebrate Assemblages Along the Strait of Juan de Fuca Including Food Habits of Nearshore Fish. 1977
Nearshore fish and macroinvertebrate assemblages along the Strait of Juan de Fuca including food habits of the common nearshore fish : final report of three years' sampling, 1976-1979 / 1980
Nearshore Fish and Macroinvertebrate Assemblages Along the Strait of Juan de Fuca Including Food Habits of the Common Nearshore Fish. 1978
New Species of 'Stenonema' (Ephemeroptera: Heptageniidae) from Eastern North America. 1977
New Species of Leech, 'Batracobdella cryptobranchii' n. sp. (Annelida: Hirudinea), Parasitic on the Ozark Hellbender. 1977
Niche Relationships and Population Ecology of Rainbow (Etheostoma caeruleum) and Fantail (E. flabellare) Darters in a Temporally Variable Environment. 1984
Northern Puget Sound marine mammals / 1980
Observations on North American Populations of 'Stephanodiscus' (Bacillariophyceae) Species Attributed to Friedrich Hustedt. 1982
Organic Carbon - A Nonspecific Water Quality Indicator for Lake Superior. 1978
Pathology of two species of flatfish from urban estuaries in Puget Sound / 1982
Phytoplankton Assemblages of the Nearshore Zone of Southern Lake Michigan. 1979
Phytoplankton composition and abundance in Lake Ontario during IFYGL / 1975
Phytoplankton composition and abundance in southern Lake Huron / 1980
Phytoplankton Composition and Distribution in Saginaw Bay. 1983
Phytoplankton water quality relationships in U.S. lakes / 1979
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