Search Results for the EPA National Library Catalog

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Showing: Items 901 - 950
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Select Item Title Year Published
Preliminary report on Sangchris Lake, Christian County, Illinois, EPA Region V / 1975
Primary Productivity and Related Processes in New York Harbor as Reflective of Changing Water Quality. 1984
Priorities for Coastal Ecosystem Science. 1994
Proceedings : biostimulation - nutrient assessment workshop / 1975
Proceedings of a workshop on algae nutrient relationships in the San Francisco Bay and Delta, held November 8-10, 1973, at Clear Lake, California / 1975
Proceedings of Seminar on Eutrophication and Biostimulation : October 19-21, 1971 / 1972
Proceedings of the Eutrophication Workshop : Canberra 3-4 December 1980 1983
Proceedings of the Eutrophication-Biostimulation Assessment Workshop : June 19-21, 1969 / 1969
Proceedings of the Eutrophication-Biostimulation Assessment Workshop held at Hotel Claremont, Berkeley, California 19-21 June 1969. 1969
Proceedings of the first and second USA-USSR symposia on the effects of pollutants upon aquatic ecosystems. 1978
Proceedings of the First Gulf of Mexico Hypoxia Management Conference, December 5-6, 1995, Radisson Hotel, Kenner, Louisiana : distribution of bottom water hypoxia in mid-summer for 1992-1995, data from hypoxia monitoring studies of N.N. Rabalais, R.E. Turner, and W.J. Wiseman, Jr. 1995
Proceedings of the Second American-Soviet symposium on the use of mathematical models to optimize water quality management : Bloomfield Hills, Michigan, USA, August 27-30, 1979 / 1980
Proceedings workshop conference on reclamation of Maine's dying lakes / 1971
Proceedings, Workshop Conference on Reclamation of Maine's Dying Lakes. 1971
Processing Characteristics of Subsurface Macrophytes of Madison, Wisconsin Lakes in Relation to Mechanical Harvesting Systems. 1970
Productivity study of the Roanoke River above Niagra Dam in Virginia 1977
Project HYPO. An Intensive Study of the Lake Erie Central Basin Hypolimnion and Related Surface Water Phenomena. 1972
Proposal for definition of Chesapeake Bay problems of excessive enrichment or eutrophication / 1978
Protocol for evaluating the nitrogen status of lake sediments / 1974
Provisional algal assay procedures. 1971
Publications and reports of the Pacific Northwest Environmental Research Laboratory : Corvallis, Oregon / 1974
Publications of the National Environmental Research Center, (NERC), Corvallis, Oregon : Pacific Northwest Water Laboratory. 1972
Publications Related to Water Resources Research Center Projects, 1967-71. Abstracts--Index. 1971
Pymatuning Reservoir, Crawford County, Pennsylvania and Ashtabula County, Ohio. 1975
Quality of Oregon's Water Resources. 1971
Quantification of the lake trophic typologies of Naumann (surface quality) and Thienemann (oxygen) with special reference to the Great Lakes / 1980
Quantitative techniques for the assessment of lake quality / 1979
Quarterly Progress Report. January 1-March 1, 1971. 1971
Rabbit Lake, Crow Wing County, Minnesota. 1975
Raccoon Lake, Marion County, Illinois. 1975
Rangeley Lake, Franklin County, Maine. 1974
Rates of photosynthesis and phytoplankton growth in Shagawa Lake, Minnesota / 1973
Rates of Photosynthesis and Phytoplankton Growth in Shagawa Lake, Minnesota. 1973
Rathbun Reservoir, Appanoose, Lucas, Monroe, and Wayne Counties, Iowa. 1976
Recommendations to alleviate hypoxia in the Gulf of Mexico : presented to principals of Hypoxia Interagency Group, June 17, 1997 / 1997
Recreational Reuse of Municipal Wastewater. 1973
Reedy Lake, Polk County, Florida. 1977
Regime shifts in lake ecosystems : pattern and variation / 2003
Relationships between drainage area characteristics and nonpoint source nutrients in streams : a preliminary analysis of National Eutrophication Survey data from 143 drainage areas in northeastern and northcentral United States / 1974
Relationships between drainage area characteristics and nonpoint source nutrients in streams : a preliminary analysis of National Eutrophication Survey data from 143 drainage areas in northeastern and northcentral United States / 1974
Relationships of Phosphorus and Nitrogen to the Trophic State of Northeast and North-Central Lakes and Reservoirs. 1974
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Removal of eutrophic nutrients from wastewater and their bioconversion to bacterial single cell protein for animal feed supplements, Phase I 1977
Removal of eutrophic nutrients from wastewater and their bioconversion to bacterial single cell protein for animal feed supplements, phase III 1980
Rend Lake, Franklin and Jefferson Counties, Illinois. 1975
Report of the Phosphorus Technical Committee to the Lake Michigan Enforcement Conference. 1972
Report on Alamogordo Reservoir (Sumner Lake), De Baca and Guadalupe Counties, New Mexico : EPA Region VI / 1977
Report on Albert Lea Lake, Freeborn County, Minnesota : EPA Region V, working paper no. 80 / 1974
Report on Allegheny Reservoir, McKean and Warren Counties, Pennsylvania, and Cattaraugus County, New York / 1975
Report on Alligator Lake, Columbia County, Florida : Region IV / 1977
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