Search Results for the EPA National Library Catalog

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Escambia River, Florida : vicinity of the Chemstrand Corporation Plant, Fall, 1952-Spring, 1953 : stream survey report for the E.I. du Pont de Nemours & Company. 1953
Eutrophication : causes, consequences, correctives; proceedings of a symposium. 1969
Factors initiating phytoplankton blooms and resulting effects on dissolved oxygen in Duwamish River estuary, Seattle, Washington / 1969
Field book of ponds and streams : an introduction to the life of fresh water / 1930
Fresh-water biology / 1918
Fresh-water biology. 1959
Freshwater biology and pollution ecology : training manual / 1973
Freshwater biology and pollution ecology : training manual / 1975
Freshwater biology. 1971
Freshwater biology. 1971
Freshwater findings, 1976-1978 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1980
Freshwater findings, 1979-1982 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1983
Freshwater microscopy. 1953
Fundamentals of limnology. 1953
Groundwater new perspectives, new initiatives. 1985
Guide to the freshwater Tubificidae (Annelida : Clitellata : Oligochaeta) of North America 1982
Guide to the study of fresh-water biology with special reference to aquatic insects and other invertebrate animals and phyto-plancton, 1957
Guide to the study of fresh-water biology with special reference to aquatic insects and other invertebrate animals and phyto-plancton. 1955
Guide to the study of fresh-water biology, with special reference to aquatic insects and other invertebrate animals and phyto-plancton, 1938
Handbuch der frischwasser- und Abwasserbiologie; Biologie des Trinkwassers, Badewassers, Fischwassers, Vorfluters und Abwassers. 1962
Hydrobiological studies on some Danish ponds and lakes. Part II: The quotient hypothesis and some new or little known phytoplankton organisms. 1949
Illustrations of Fresh Water Algae Toxic to Animals. 1952
Influence of low pH on electrolytes and interrenal histochemistry in brook trout (Salvelinus fontinalis) / 1972
Influences of strip mining on the hydrologic environment of parts of Beaver Creek basin, Kentucky, 1955-66. 1970
Internationale Revue der gesamten Hydrobiologie. 1959
Jordan River study, Utah, June-August 1972. 1973
Lake Huron bibliography, with limited summaries / 1981
Lake Union sediment investigation : Seattle, Washington, March 20-21, 1984 / 1985
Life in lakes and rivers. 1951
Life of the pond 1967
Limnological methods / 1948
Limnological organic analyses by quantitative dichromate oxidation. 1962
Limnological surveillance of the nearshore zone of Lake Erie in central and eastern Ohio : a proposal of research / 1978
Listing of aquatic biological stream investigations : June, 1968 to January, 1974 / 1974
Living waters : guiding the protection of freshwater biodiversity in Massachusetts / 2003
Lower Potomac River Basin : environmental assessment of stream conditions / 1998
Man-made lakes; proceedings. 1966
Methods to estimate aquatic habitat variables / 1984
Mosquito Control Pesticides: Adverse Impacts to Freshwater Aquatic and Marine Organisms. 1991
New Zealand journal of marine and freshwater research. 1967
Nordic journal of freshwater research. 1988
Notes on Mayfly Nymphs from Northeastern Minnesota Which Key to 'Stenonema vicarium' (Ephemeroptera: Heptageniidae). 1978
Perspectives on nonpoint source pollution : proceedings of a national conference, Kansas City, Missouri, May 19-22, 1985. 1985
Physicochemical Factors Affecting Toxicity in Freshwater: Hardness, pH, and Temperature (Chapter 1). 1994
References for the identification of freshwater macroinvertebrates / 1972
Report / 1949
Riparian and aquatic ecosystem monitoring : a manual of field and lab procedures / 2003
Rivers of life : critical watersheds for protecting freshwater biodiversity / 1998
Russian-English glossary of hydrobiology / 1958
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms. 2002
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