Search Results for the EPA National Library Catalog

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Biological and Water Quality Survey of Sugar Creek and Tributaries Crawford County, Illinois, August and September 1992. 1993
Biological and Water Quality Survey of Three Tributaries to the Sangamon River: South Fork Basin, Mosquito Creek and Long Point Slough, September through November 1989. 1993
Biological assessment of the revised Oregon water quality standards for dissolved oxygen, temperature, and PH 1998
Biological Associated Problems in Freshwater Environments. Their Identification, Investigation and Control. 1967
Biological basis of freshwater fish production; a symposium. 1967
Biological characterization of the Middle Fork Anderson River, Perry County, Indiana / 1997
Biological control of aquatic nuisances : a review / 1977
Biological criteria development for large rivers with an emphasis on an assessment of the White River drainage, Indiana / 1992
Biological criteria for the protection of aquatic life. Volume 3, Standardized biological field sampling and laboratory methods for assessing fish and macroinvertebrate communities. 1989
Biological effects of ammonium salts and dilute treated petroleum refinery affluent on estuarine aufwuchs, phytoplankton, and fish communities / 1974
Biological Effects of Continuous and Intermittent Dosing of Outdoor Experimental Streams with Chlorpyrifos. 1985
Biological effects of mining wastes in the Northwest Territories, 1973
Biological Effects of Oil Pollution. Selected Bibliography II. 1972
Biological effects of toxic contaminants in sediments from Long Island Sound and environs 1994
Biological Effects of Wastes Discharged to the North Platte River in the Torrington, Wyoming to Bridgeport, Nebraska Reach, November 1960-November 1961. 1961
Biological field and laboratory methods for measuring the quality of surface waters and effluents 1973
Biological field and laboratory methods for measuring the quality of surface waters and effluents / 1973
Biological indicators of stress in fish / 1990
Biological integrity and restoration of wilderness lakes / 1995
Biological Investigations of Lake Wingra. 1973
Biological Monitoring and Environmental Assessment: A Conceptual Framework. 1987
Biological monitoring of fish 1980
Biological monitoring of inland fisheries 1977
Biological populations as indicators of environmental change. 1992
Biological Problems in Water Pollution, Third Seminar, August 31-17, 1962 1965
Biological Problems in Water Pollution. 1957
Biological Problems in Water Pollution. 1960
Biological Productivity of the Coeur D 'Alene River as Related to Water Quality. 1970
Biological significance of fluvial processes in the lotic environment / 1978
Biological Survey of Stream of Coles County, Illinois 1967-1970. 1971
Biological survey of streams of Coles County, Illinois 1967-1970 / 1971
Biological survey of the Allegheny and Chemung watersheds Supplemental to the twenty-seventh annual report / 1938
Biological survey of the Champlain watershed : Supplemental to Nineteenth annual report, 1929 / 1930
Biological survey of the Delaware and Susquehanna watersheds. Supplemental to Twenty-fifth annual report, 1935. 1936
Biological survey of the Erie-Niagara system. Supplemental to Eighteenth annual report, 1928. 1929
Biological survey of the fresh water of Long Island. Supplemental to Twenty-eighth annual report, 1938. 1939
Biological survey of the Genesee river system. Supplemental to Sixteenth annual report, 1926. 1927
Biological survey of the Lake Ontario watershed (including all waters from Little Sandy Creek westward except the Genesee and Oswego River systems) Supplemental to the twenty-ninth annual report, 1939. 1940
Biological survey of the Oswegatchie and Black river systems. (Including also the lesser tributary streams of the upper St. Lawrence river and of northeastern lake Ontario) Supplemental to Twenty-first annual report, 1931. 1932
Biological survey of the Oswego River system. Supplemental to Seventeenth annual report, 1927. 1928
Biological survey of the Raquette watershed. Supplemental to Twenty-third annual report, 1933. 1934
Biological survey of the St. Lawrence watershed. (Including the Grass, St. Regis, Salmon, Chateaugay systems and the St. Lawrence between Ogdensburg and the international boundary) Supplemental to Twentieth annual report, 1930. 1931
Biological Survey of the Susquehanna River and Its Tributaries Between Danville, Pennsylvania, and Conowingo, Maryland. 1966
Biology and ecology of fishes 1995
Biology and fishery of Atlantic sailfish Istiophorus platypterus, from Southeast Florida 1977
Biology of Chicago's Waterways. 1965
Biology of fishes 1979
Biology of fishes 1996
Biology of fishes 1982
Biology of midwater fishes of the Bermuda Ocean Acre / 1987
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