Search Results for the EPA National Library Catalog

Items Found: 3640
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Select Item Title Year Published
Spatial analysis of surface water flow characteristics in the Swatara Creek Basin, Pennsylvania 1996
Spatial and temporal resource allocation methods for agricultural watershed planning : thesis / 1973
Spatial structure and temporal variation of fish communities in the Upper Mississippi River system / 2005
Spawning areas and abundance of chinook salmon (Oncorhynchus tshawytscha) in the Columbia River Basin, past and present / 1968
Spawning areas and abundance of steelhead trout and coho, sockeye and chum salmon in the Columbia River basin--past and present / 1970
Special ground water study, basinwide report and executive summary. 1982
Special groundwater study of the middle Delaware River basin : study area II / 1982
Special groundwater study of the upper Delaware River basin : study area III 1983
Special projects 0
Special report on historical flood damages for Klamath River Basin, California and Oregon. 1971
Spokane River Basin bibliography. 1973
Spokane River Basin profile / 1975
St. Croix River basin water quality management plan : developed pursuant section 303 (e) of the Federal water pollution control act amendments of 1972 and Title 40 of the Code of Federal regulations, parts 130 and 131. 1974
St. Lawrence River ecological study, 1976 : biological characteristics of the St. Lawrence River. 1976
Stable Sulfur Isotopes of Sulfate in Precipitation and Stream Solutions in a Northern Hardwood Watershed. 1992
Staff report on Piscataqua River Watershed. 1960
State and county area tabulations for the Colorado River Basin. 1962
State Innovation Grant Program : Massachusetts: Assabet River Watershed Permit (2002 Competition) / 2008
State management of NPDES minor dischargers : survey results / 1994
State methods for delineating source water protection areas for surface water supplied sources of drinking water. 1997
State of Delaware 1998 watershed assessement report (305(b)). 1998
State of Narragansett Bay and its watershed : overview / 2017
State of Narragansett Bay and its watershed : summary report / 2017
State of Ohio Huron River Basin modified 303 (e) report. 1975
State of the Anacostia 1989 status report / 1990
State of the Chesapeake Bay, 1995. 1995
State of the Great Lakes 2003 / 2003
State of the Great Lakes 2005: Highlights. 2005
State of the Great Lakes 2007 : highlights / 2007
State of the Great Lakes, 1995. Report highlights. 1995
State of the Great Lakes, 2007. 2007
State of the Great Lakes, 2007. Highlights. 2007
State of the Great Lakes, 2009 : highlights. 2009
State of the Great Lakes, 2009. 2009
State of the Great Lakes, 2009. Highlights. 2009
State of the Lakes Ecosystem Conference 2000 implementing Indicators : draft for discussion at SOLEC 2000 / 2000
State of the Potomac River, 1976, status report on water supply and water pollution problems and programs for the Washington, D.C., metropolitan area : findings and recommendations of the Subcommittee on Bicentennial Affairs, the Environment, and the International Community of the Committee on the District of Columbia, House of Representatives, Ninety-fourth Congress, second session. 1976
State of Utah Clean Lakes Program Diagnostic Feasibility Study Pelican Lake 1999
State of Wyoming water management program 1978
State Watershed Strategy Guidebook 1998
Statement on water quality management states of Connecticut and Massachusetts, portion of Thames, Connecticut and Housatonic river basins. 1963
Statewide watershed management facilitation. 1997
Statistical evaluation of the effects of irrigation on chemical quality of ground water and base flow in three river valleys in north-central Kansas 1985
Statistical model for estimating stream temperatures in the Salmon and Clearwater River basins, central Idaho 2002
Status and trends of toxic water quality parameters in the Potomac River Basin 1988
Status of aquatic habitat rehabilitation and conservation efforts in the watersheds of Great Lakes areas of concern / 1995
Status of electric power in the Missouri River Basin : planning, capacity, future needs, environmental quality, laws and policies. 1980
Status of the interior Columbia Basin : summary of scientific findings / 1996
Steady-state computer model of the water-table aquifer in the Mullica River basin, the Pine Barrens, New Jersey 1984
Steady-state dissolved oxygen model of the Willamette River, Oregon 1979
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