Search Results for the EPA National Library Catalog

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Showing: Items 2001 - 2050
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Select Item Title Year Published
Potomac River greenways : a shared agenda. 1994
Potomac River water quality network. 1957
Potomac-Piscataway dye releases and wastewater assimilation studies / 1969
Potomac-Shenandoah River Basin comprehensive water resources plan. 1968
Potomac: water quality planning; {proceedings. 1973
Power of the river : the continuing legacy of the Bonneville Power Administration in the Pacific Northwest. 2012
Practical steps to implement an ecosystem approach in Great Lakes management / 1995
Precipitation in the upper Mississippi River basin, January 1 through July 31, 1993 / 1993
Precipitation, streamflow, and major floods at selected sites in the Gila River drainage basin above Coolidge Dam, Arizona, 1970
Precipitation-runoff model for analysis of the effects of water withdrawals on streamflow, Ipswich River Basin, Massachusetts 2000
Precipitation-runoff model for the analysis of the effects of water withdrawals and land-use change on streamflow in the Usquepaug-Queen River basin, Rhode Island 2004
Predicting the Acute Toxicity of Copper in Freshwater Sediments: Evaluation of the Role of Acid-Volatile Sulfide. 1993
Preferred areas for reduced tillage technical assistance programs in the United States drainage to Lake Erie / 1979
Preimpoundment study, Cedar Creek drainage basin, Evans County watershed : Evans, Tattnall, and Candler Counties, Georgia / 1977
Preimpoundment study, Little Black Creek drainage basin, Black Creek watershed, Bulloch County, Georgia / 1977
Preliminary analysis of nutrient monitoring data for the Susquehanna River and selected tributaries, January 1, 1985 - December 31, 1987 / 1988
Preliminary assessment of water quality in the alluvial aquifer of the Puerco River basin, northeastern Arizona / 1987
Preliminary assessments and site inspections report : upper Columbia river mines and mills : Stevens County, Washington / 2002
Preliminary assessments and site investigations report : lower Pend Oreille River mines and mills : Pend Oreille County, Washington / 2002
Preliminary Economic Base Study of the Animas-LaPlata Pilot Project Watersheds in the Four Corners Area of the Colorado River Basin. 1962
Preliminary estimates of airborne pollutant fluxes to the Camp Branch and Cross Creek watersheds / 1984
Preliminary investigation of a shallow ground-water flow system associated with Connetquot Brook, Long Island, New York 1980
Preliminary investigation of municipal and industrial water supply and stream quality control requirements associated with multi-purpose reservoir studies in the Willow Creek Basin, Oregon. 1961
Preliminary investigation of the geology and ground-water resources of the lower Chehalis River valley and adjacent areas, Grays Harbor county, Washington 1966
Preliminary investigation of water supply and water quality control aspects Yakima Project, Washington, Kennewick division extension. 1961
Preliminary master plan : Warm Springs Dam, Lake Sonoma, Russian River, California. 1966
Preliminary projections of income, employment and population in the Yellowstone subregion and four subareas, 1980, 2000, & 2020 1966
Preliminary report on the adequacy of water in the Yakima River Basin, Washington. 1963
Preliminary synthesis and assessment of environmental flows in the Middle Verde River Watershed, Arizona / 2017
Preliminary technology assessment report / 1977
Preliminary watershed management investigation of the West-Rhode River System, Anne Arundel County, Maryland 1985
Price of taming a river : the decline of Puget Sound's Duwamish/Green waterway / 1997
Primer on groundwater resources in the Compact District of the Ohio River Basin. 1984
Principles of ecosystem management / 1975
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report / 1998
Probabilistic ecological risk assessment of zinc in surface waters of the Chesapeake Bay watershed : final report / 1999
Problem identification, Great Lakes Region / 1976
Proceedings 1985
Proceedings / 1963
Proceedings 1993 Colorado Water Convention January 4-5, 1993, Denver, Colorado / 1993
Proceedings : 2000 STAR ecosystem indicators progress review workshop, May 8-10, 2000, Las Vegas, Nevada. 2000
Proceedings : addressing the impact of sediment loads in the Susquehanna River Basin : Sediment Symposium / 2001
Proceedings : National Watershed Water Quality Project Symposium / 1997
Proceedings : third Meeting in the Matter of Pollution of Lake Erie and its Tributaries : Cleveland, June 22, 1966. 1966
Proceedings Colorado Water Workshop, July 20-22, 1994 : quenching the urban giant / 1995
Proceedings of the 1990 Clark Fork River Symposium, April 20, 1990, University of Montana, Missoula, Montana 1992
Proceedings of the California Watershed Management Conference, November 18-20, 1986, West Sacramento, California 1987
Proceedings of the Chesapeake Bay Program, Toxics Subcommittee sponsored Chesapeake Bay Atmospheric Deposition of {Toxics} Critical Issue Forum November 5, 1992. 1993
Proceedings of the Conference on the Apalachicola Drainage System, 23-24 April 1976, Gainesville, Florida / 1977
Proceedings of the Mass Balance Workshop, Kempenfelt Conference Centre, Barrie, Ontario, March 7-9, 1990 : a report to the Surveillance Subcommittee by the Mass Balance Workshop Steering Committee / 1991
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