Search Results for the EPA National Library Catalog

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Potential Water Resource Developments Upper Colorado River Basin in Utah 1966
Prediction modeling for salinity control in irrigation return flows : a state-of-the-art review / 1973
Present water use inventory : Snake River - main stem / 1967
Proceedings of Annual Water Conference (16th), held at Las Cruces, New Mexico on March 25-26 1971. 1971
Proceedings of the National Conference on Management of Nitrogen in Irrigated Agriculture, Held in Sacramento, California, on May 15-18, 1978. 1978
Proceedings of the National Conference on Managing Irrigated Agriculture to Improve Water Quality Sponsored by U.S. Environmental Protection Agency and Colorado State University, May 16-18, 1972. 1972
Proceedings; 1966
Production of Reusable Water from Wastewater 1975
Progress report to the Bureau of Reclamation, U.S. Dept. of the Interior relative to behavior and movements of pesticides, nitrate, and phosphate from irrigated agriculture in the Sheyenne, Red, and Souris River Basins of North Dakota an interdisciplinary study / 1974
Quality of surface waters for irrigation Western United States 1959. 1963
Quality of surface waters for irrigation western United States, 1956 / 1960
Quality of surface waters for irrigation, western states, 1961 / 1968
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in and near Stillwater Wildlife Management Area, Churchill County, Nevada, 1986-87 / 1990
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the American Falls Reservoir area, Idaho, 1988-89 / 1990
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Columbia Basin Project, Washington, 1991-92 1995
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Sacramento National Wildlife Refuge Complex, California, 1988-89 / 1992
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Salton Sea area, California, 1986-87 / 1990
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Tulare Lake bed area, southern San Joaquin Valley, California, 1986-87 / 1988
Reconnaissance investigation of water-quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife Refuge, Texas, 1986-87 / 1988
Removal of Nitrogen from Tile Drainage, Bio-Engineering Aspects of Agricultural Drainage San Joaquin Valley, California. 1971
Removal of Nitrogen from Tile Drainage. 1971
Renovation of secondary effluent for reuse as a water resource / 1974
Report of Field Investigation and Conference on the Irrigation Water System - U. S. Penitentary, Leavenworth, Kansas. 1949
Report of steering committee on salinity control of irrigation return flows / 1972
Report of Steering Committee on Salinity Control of Irrigation Return Flows. 1972
Report on Fish and Wildlife Resources in Relation to the Riverton Project, Wyoming 1953
Report on water demands, quality considering and public health aspects of the proposed Lyman project in southwestern Wyoming / 1962
Reported water use in Oklahoma. 1966
Research needs for irrigation return flow quality control / 1972
Research Needs for Irrigation Return Flow Quality Control. 1971
Results of the low flow carbon filter when used as a pesticide sampler 1966
Return irrigation water, characteristics and effects. 1960
Reuse of wastewater in agriculture : a guide for planners / 1994
Revaluation of the Missouri-Souris Development Area Water Pollution Investigations. 1956
Revegetation Augmentation by Reuse of Treated Active Surface Mine Drainage: a Feasibility Study. 1972
Salmon recovery in the Pacific Northwest : agricultural and other economic effects. 1996
Scientific irrigation scheduling for salinity control of irrigation return flows / 1975
Selected irrigation return flow quality abstracts 1968-1969 : first annual issue / 1972
Selected irrigation return flow quality abstracts 1970-1971 : second annual issue / 1973
Selected irrigation return flow quality abstracts 1972-1973, third annual issue / 1974
Selected irrigation return flow quality abstracts, 1974 : fourth annual issue / 1976
Selected irrigation return flow quality abstracts, 1975 : fifth annual issue / 1977
Selected irrigation return flow quality abstracts, 1976 : sixth annual issue / 1978
Selected irrigation return flow quality abstracts, 1977 : seventh annual issue / 1979
Selected irrigation return flow quality abstracts, 1978 : eighth annual issue / 1980
Significance of Rainfall on Salt and Sodium Accumulations under Irrigation. 1974
Significance of turbidity for quality assessment of agricultural runoff and irrigation return flow project completion report / 1978
Simulation and analysis of soil-water conditions in the Great Plains and adjacent areas, central United States, 1951-80 2000
Simultaneous Quantitation of Salmonella Species and Pseudomonas Aeruginosa. I. Polluted Waters. II. Persistence of Pathogens in Sludge Treated Soils. III. Analysis of Waste Treatment Sludges for Salmonella Species a s a Surveillance Tool. 1971
Socio-economic and institutional factors in irrigation return flow quality control / 1978
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