Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Onion Creek watershed analysis 1997
Open channel flow evaporation study / 1973
Opportunities to protect instream flows and wetland uses of water in Florida 1990
Opportunities to protect instream flows and wetland uses of water in Nevada 1992
Opportunities to protect instream flows in Massachusetts 1986
Opset; Program for Computerized Selection of Watershed Parameter Values for the Stanford Watershed Model. 1970
Optimal Weighting Function in Water Quality Modeling. 1973
Optimization of Water Resources Development, II. 1971
Oregon rivers 1997
Oregon streamflow duration assessment method / 2011
Oregon streamflow duration assessment method / 2009
Organic carbon and nitrogen concentrations and annual organic carbon load of six selected rivers of the United States / 1976
Organic materials management strategies / 1999
Organic materials management strategies. 1999
Organism-substrate relationships in streams : a symposium held at the Pymatuning Laboratory of Ecology on July 16 and 17, 1964 / 1966
Origin of the chemical composition of undisturbed forested streams, western Olympic Peninsula, Washington state / 1979
Oxygen balance in a southern Great Plains stream in southeastern Oklahoma 1965
Oxygen production and loss in a model river 1969
Oxygen regeneration of polluted rivers : second annual progress report / 1968
Oxygen regeneration of polluted rivers : third annual progress report / 1969
Oxygen regeneration of polluted rivers: the Delaware River / 1970
Oxygen relationships in streams : proceedings of a seminar sponsored by the water supply and water pollution program of the Sanitary Engineering Center, October 30-November 1, 1957. 1958
Pacific Northwest Rivers Study assessment guidelines, Washington State 1986
Pacific Northwest wetland macroinvertebrate monitoring : protocols and variability in freshwater riverine impounding wetlands : final report to the Environmental Protection Agency, Region 10 2007
Parametric Determination of Minimum Stream Flow for Trout. 1973
Parametric Determination of Minimum Streamflow for Trout. 1973
Pathways of human influence on water temperature dynamics in stream channels 2000
Patuxent River Cross Sections and Mass Travel Velocities. 1968
Patuxent River program : traveltime, dispersion and removal rates in the freshwater portion and the upper tidal river of the Patuxent River system / 1980
Pearl River Shallow Water Reservoir Water Quality-Recreation Project: Preimpoundment Study. 1963
Peat mining : an initial assessment of wetland impacts and measures to mitigate adverse effects / 1981
Peat mining : an initial assessment of wetland impacts and measures to mitigate adverse effects / 1981
Pennsylvania streamflow characteristics, low-flow frequency and flow duration 1966
Performing quality flow measurements at mine sites / 2004
Perspectives in running water ecology / 1981
Photoproduction of Hydrated Electrons from Natural Organic Solutes in Aquatic Environments. 1987
Phycoperiphyton responses to the discharge of fish hatchery effluents in two eastern Sierra Nevada streams 1976
Physical and Chemical Oceanographic Data Umpqua River Estuary Oregon. Part II: January 25-26, 1961. 1961
Physical and Chemical Oceanographic Data. Umpqua River Estuary Oregon. Part I: December 14-15, 1960. 1961
Physics-Based Approach to Hydrologic Response Modeling: Phase I: Model Development. 1972
Pilot study for development of cross-section data base 1991
Pilot study for Montgomery County and Maryland DNR data integration : comparison of benthic macroinvertebrate sampling protocols for freshwater streams / 2003
Pilot study for Montgomery County and Maryland DNR data integration : comparison of benthic macroinvertebrate sampling protocols for freshwater streams / 2003
Pilot study to develop assessment methods and biological indicators for tidal streams in Maryland's coastal plain 1999
Pilot-scale demonstration of sediment washing for the treatment of Saginaw River sediments / 1994
Piscataway Creek Watershed Model: A Stormwater and Nonpoint Source Management Tool. 1982
Pollution Affecting South Chickamauga Creek and Nickajack Lake, Chattanooga, Tennessee. 1969
Pollution Caused Fish Kills - 1967. 1968
Pollution control technical manual for Lurgi-based indirect coal liquefaction and SNG / 1983
Pollution in the Lake Tahoe Basin (California-Nevada). Proceedings of Conference Held at Stateline, Nevada, on July 18-20, 1966. Volume 2. Appendix A. 1966
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