Search Results for the EPA National Library Catalog

Items Found: 538
Showing: Items 301 - 350
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Minimizing Salt in Return Flow Through Irrigation Management. 1982
Model Report for Christina River Basin, Pennsylvania, Delware, And Maryland, High Flow Nutrient and DO TMDL Development {Draft} 2005
Modeling Fine Sediment Transport in Estuaries. 1983
Morphology and Ecology of Oltmannsiella virida, Sp. Nov. (Chlorophyceae: Volvocales). 1982
Multivariate Analysis of Experimental Marine Ecosystems. 1977
Nationwide Urban Runoff Program, Tampa, Florida: Final Summary Report. 1983
Nationwide Urban Runoff Program, Tampa, Florida: Water Quality Assessment of the Lower Hillsborough River - Final Report. 1983
Nearshore Fish and Macroinvertebrate Assemblages Along the Strait of Juan de Fuca Including Food Habits of Nearshore Fish. 1977
New Early Life-Stage Toxicity Test Using the California Grunion (Leuresthes tenuis) and Results with Chlorpyrifos. 1985
New York Bight suspended matter and oceanographic data, 1973-1974 : total suspended matter, traverse stations, June 1974, and prior cruises : total suspended matter and physical oceanographic data, June-July 1974 cruise : total suspended matter, December, 1974 cruise / 1978
Nitrogen and phosphorus determinations in estuarine waters : a comparison of methods used in Chesapeake Bay monitoring / 1987
Non-Point Source Studies on Chesapeake Bay. III. Relationship between Bacterial Contamination and Land Use in the Rhode River Watershed, and Survival Studies of 'Streptococcus faecalis' in the Estuary. 1977
Nonpoint source control guidance : agricultural activities / 1978
Numerical Model for the Prediction of Transient Water Quality in Estuary Networks. 1972
Occurance of 'Mysidopsis bahia' (Mysidacea: Mysidae) on the Atlantic Coast of Florida. 1987
Oceanographic baseline data (1971-72) for the formulation of marine waste disposal alternatives for Puerto Rico : final report / 1974
Oceanographic Observations in the Georgia Bight: Data Report for R. V. EASTWARD Cruises E-13-73 (4-11 September) and E-19-73 (8-9 December 1973). 1975
Oligohaline Areas in Tampa Bay Tributaries: Spatial Extent and Species Lists. 1992
On-Farm Salinity Control Investigations for the Grand Valley Area, Plan of Work Outline 1975
Ontogeny of Resistance Adaptation and Metabolic Compensation to Salinity and Temperature by the Caridean Shrimp, 'Palaemonetes pugio', and Modification by Sublethal Zinc Exposure. 1982
Optimization of environmental factors during the life cycle of mysidopsis bahia / 1987
Optimizing salinity control strategies for the upper Colorado River Basin / 1981
Optimizing salinity control strategies for the upper Colorado River Basin / 1982
Optimizing salinity control strategies for the upper Colorado River Basin / 1983
Optimum Drilling Sites for Ground-Water Development on the East Coast of Lanai Island. 1973
Ovarian Mycosis in the Topsmelt 'Atherinops affinis'. 1991
Oyster setting and early spat survival at critical salinity levels on natural seed oyster beds of Delaware Bay 1976
Phosphorus and Eutrophication in the Pamlico River Estuary, N. C., 1966-1969 - A Summary. 1972
Physical and chemical conditions of Chesapeake Bay an evaluation, 1972
Physical and Chemical Properties of the Coastal Waters of Georgia. 1973
Physiological Studies on 'Cancer irroratus' Larvae. I. Effects of Temperature and Salinity on Survival, Development Rate and Size. 1981
Physiological Studies on 'Cancer irroratus' Larvae. II. Effects of Temperature and Salinity on Physiological Performance. 1981
Phytoplankton of Minnesota Lakes. A Preliminary Survey. 1971
Planning Report Draft Environmental Impact Statement Uinta Basin Unit Colorado River Water Quality Improvement Program Duchesne and Uintah Counties Utah 1986
Planning Report/Final Environmental Impact Statement Price-San Rafael Rivers Unit, Utah, Colorado River Water Quality Improvement Program/Colorado River Salinity Control Program 1993
Pollution abatement from cattle feedlots in northeastern Colorado and Nebraska / 1975
Pollution control manual for irrigated agriculture / 1978
Potential Application of Ion Exchange Desalting for Salinity Control in the Colorado River Basin 1975
Potential effects of irrigation practices on crop yields in Grand Valley / 1979
Potential of water and salt yields from surface runoff on public lands in the Price River Basin 1982
Predicting the Success of Invasive Species in the Great Bay Estuarine Reserve. A Final Report to The New Hampshire Estuaries Project. 2007
Prediction modeling for salinity control in irrigation return flows : a state-of-the-art review / 1973
Prediction of mineral quality of irrigation return flow / 1977
Preliminary Evaluation of Potential Effects of Bathymetric Alterations of the Chesapeake and Delaware Canal on Striped Bass. 1992
Preliminary Investigation of Waste Disposal in the New York Bight. 1968
Preliminary Laboratory Research in Experimental Brackish Ecosystems (Recherches Preliminaires en Laboratoire sur des Ecosystems Saumatres Experimentaux). 1974
Preliminary Water Pollution Control Study. Colorado River Basin Above Hoover Dam. Appendix A. Review of Developments, Methods, Costs and Controls. A-1. Evaporation. A-2. Phreatophytes. A-3. Desalination. 1965
Preliminary Water Quality Control Method Study. Virgin River, Utah, Arizona, and Nevada. Appendix B 1. 1965
Primary Productivity and Related Processes in New York Harbor as Reflective of Changing Water Quality. 1984
Procedures for predictive analysis of selected hydrologic impacts of surface mining. 1982
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