Search Results for the EPA National Library Catalog

Items Found: 3640
Showing: Items 1901 - 1950
Your Search: (SUBJECT=watershed)


 
 
 
PREV 1 ... 34 35 36 37 38 39 40 41 42 43 44 ... 73 NEXT
Select Item Title Year Published
Pawcatuck watershed water resources : a management issues profile / 1999
Peconic River-Flanders Bay drainage basin, including a portion of the north shore of Long Island draining to Long Island Sound : recommended classifications and assignment of standards of quality and purity for designated waters of New York State / 1951
Pecos River basin plan. 1976
Pend Oreille River Basin bibliography. 1973
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline. Part 1, General information / 1979
Pennsylvania baseline. Part 2, Impact assessment data base. 1979
Pennsylvania baseline. Part 2, Impact assessment data base. 1979
Periphyton Response to Nutrient Enrichment in Plains Streams of the Western US and Lower Big Sioux Watershed. 2009
Persistence of the DDT pesticide in the Yakima River Basin, Washington / 1993
Perspectives on Chesapeake Bay : nitrogen dynamics in forested lands of the Chesapeake Basin / 1996
Perspectives on Chesapeake Bay, 1994: Advances in Estuarine Sciences. 1994
Pesticide concentrations in Canajoharie Creek, New York 1994-96. 1998
Pesticide inputs and levels : Minnesota waters-Lake Superior Basin / 1971
Pesticide runoff losses from small watersheds in Great Lakes Basin / 1977
Pesticides : issues concerning pesticides used in the Great Lakes watershed : report to the Chairman, Subcommittee on Oversight of Government Management, Committee on Governmental Affairs, U.S. Senate / 1993
Pesticides and polychlorinated biphenyls in the Atchafalaya Basin, Louisiana / 1979
Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, central Columbia Plateau, Washington and Idaho, 1993-95 1998
Pesticides in storm runoff from agricultural and urban areas in the Tuolumne River Basin in the vicinity of Modesto, California / 1998
Pesticides in surface and ground water of the San Joaquin-Tulare basins, California : analysis of available data, 1966 through 1992 / 1997
Pesticides in surface water in the Connecticut, Housatonic, and Thames River basins, 1992-95 1999
Pesticides in surface water in the lower Illinois River Basin, 1996-98 / 2003
Pesticides in surface water measured at select sites in the Sacramento River Basin, California, 1996-1998 / 2000
Pesticides in the Boise River basin 1966
Phase 1, final report 1979
Phased TMDL (Total Maximum Daily Load) for thr Salmon Falls River Watershed Use Attainability Analysis for the Lower Salmon Falls River, May 1999. 1999
Phosphorus analysis of major soil series samples from the Lake Erie drainage basin / 1987
Phosphorus and E. coli in the Fanno and Bronson Creek subbasins of the Tualatin River basin, Oregon, during summer low-flow conditions, 1996 2000
Phosphorus concentrations, loads, and yields in the Illinois River basin, Arkansas and Oklahoma, 1997-2001 / 2003
Phosphorus concentrations, loads, and yields in the Illinois River basin, Arkansas and Oklahoma, 2000-2004 / 2006
Phosphorus control in lake watersheds : a technical guide to evaluating news development / 1989
Physical analysis of the outflow from an unconfined aquifer : a thesis / 1969
Physical, chemical, and biological responses to urbanization in the Fox and Des Plaines River basins of northeastern Illinois and southeastern Wisconsin 2005
Phytoplankton growth and chlorophyll levels in the Sacramento-San Joaquin delta through San Pablo Bay / 1977
Piedmont Basin preliminary assessment report / 1998
Pilot sampling for heavy metals in fish flesh from Killarney Lake, Coeur d'Alene River System, Idaho 1990
Plan for management of water quality in the James River Basin in Virginia 1974
Plan of study : Conodoguinet Creek and Yellow Breeches Creek watersheds : a water resource assessment / 1989
Plan of study : Lower Colorado Region comprehensive framework study / 1967
Plan of study of development of the water and related land resources, Susquehanna River Basin, New York, Pennsylvania, and Maryland 1965
Plan of work for Delmarva River basins survey 1975
Plan summary report for the Sabine Basin water quality management plan 1981
Plan supplement. 1976
Planned utilization of water resources in the San Juan Creek Basin area. 1972
Planning aid report : an analysis of inland resource impacts associated with the Corps of Engineers lower Rio Grande Basin, flood control and major drainage project, Texas / 1981
Planning and evaluating BMPs : Black Creek project / 1980
Planning methodologies for analysis of land use/water quality relationships : case study application / 1977
PREV 1 ... 34 35 36 37 38 39 40 41 42 43 44 ... 73 NEXT

Save, Print or Email Selected Records