Search Results for the EPA National Library Catalog

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Showing: Items 451 - 500
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Carmel river basin water quality investigation : a water quality investigations memorandum report / 1969
Carroll & Rock Creeks stream corridor assessment survey / 2000
Case study : Housatonic River Massachusetts - Connecticut. 1982
Case study of non-point source pollution in Virginia 1975
Cass River study : Caro to Vassar, November 12-13, 1974. 1976
Cass River, Michigan : water quality data, 1965 survey. 1968
Catalog of federal funding sources for watershed protection / 1997
Catalog of federal funding sources for watershed protection. 1999
Catalog of federal funding sources for watershed protection. 2003
Cedar River research; a program for studying the pathways, rates, and processes of elemental cycling in a forest ecosystem, 1968
Cedar Run Watershed, Fauquier County, Virginia : final plan and final environmental impact statement / 1975
Challenges to water and security in Southeast Asia : hearing before the Subcommittee on East Asian and Pacific Affairs of the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, second session, September 23, 2010. 2010
Changes in flood response of the Red River of the North Basin, North Dakota-Minnesota / 1984
Changes in streamflow and summary of major-ion chemistry and loads in the North Fork Red River basin upstream from Lake Altus, northwestern Texas and western Oklahoma, 1945-1999 2003
Changes in streamflow and water quality in selected nontidal sites in the Chesapeake Bay basin, 1985-2003 / 2004
Changes in streamflow and water quality in selected nontidal sites in the Chesapeake Bay basin, 1985-2003 {electronic resource} / 2004
Channel and hillslope processes revisited in the Arroyo de los Frijoles watershed near Santa Fe, New Mexico. [electronic resource] 2005
Channels and waters of the Upper Salmon River area, Idaho 1975
Character and trends of water quality in the Blue River basin, Kansas City metropolitan area, Missouri and Kansas, 1998 through 2007 / 2009
Characteristics and trends of streamflow and dissolved solids in the upper Colorado River Basin, Arizona, Colorado, New Mexico, Utah, and Wyoming / 1989
Characteristics of streamflow and ground-water conditions in the Boise River Valley, Idaho 1974
Characterization of water quality in selected tributaries of the Alamosa River, southwestern Colorado, including comparisons to instream water-quality standards and toxicological reference values, 1995-97 / 2001
Characterizing Surface Waters That May Not Require Filtration. 1990
Charles Basin : 1974 water quality survey data / 1975
Charles River 1973-1974 wastewater discharge survey data / 1974
Charles River : 1973 water quality survey data / 1974
Charles River basin : 1976 water quality management plan / 1976
Charles River lower basin study : data report / 1976
Charles River natural valley storage project : master plan for recreation resources development: design memorandum no. 4 / 1984
Charles River water quality study : appendix E of Charles River study / 1971
Cheat River subbasin abandoned mine drainage assessment 1982
Cheboygan River, Michigan : water quality data, 1965 survey. 1969
Chehalis Best Management Practices Evaluation Project 1995-2000 temperature monitoring data / 2001
Chehalis best management practices evaluation project : final report for water quality sites / 2002
Chehalis River basin (Washington) preliminary economic reconnaissance and estimate of growth, 1960-2010 / 1962
Chehalis River Basin bibliography. 1972
Chemical analyses of surface waters in the James River basin, North Dakota and South Dakota 1950
Chemical contamination and physical characteristics of sediments in the upper Great Lakes connecting channels, 1985 / 1991
Chemical extraction as an index of bioavailability of phosphate in Lake Erie basin suspended sediments / 1978
Chemical quality of surface water in the Allegheny River basin, Pennsylvania and New York / 1967
Chemical quality of surface water in the Umpqua River Basin, Oregon / 1969
Chemical quality of surface water in the West Branch Susquehanna River basin, Pennsylvania / 1964
Chemical quality of surface waters in the Brazos River Basin in Texas / 1964
Chemical quality of surface waters, and sedimentation in the Grand River drainage basin, North and South Dakota, 1964
Chemical quality of water in the Walnut River Basin, south-central Kansas / 1972
Chemung River drainage basin, except Newtown Creek drainage basin : recommended classifications and assignment of standards of quality and purity for designated waters of New York State / 1960
Chesapeake / 1978
Chesapeake 2000 [electronic resource]. 1999
Chesapeake Bay : introduction to an ecosystem / 1997
Chesapeake Bay : introduction to an ecosystem. 2000
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