Search Results for the EPA National Library Catalog

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Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1986 / 1986
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1986. 1986
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1987 / 1987
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1989. Draft Report. 1990
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1991 / 1992
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1992 / 1993
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1992. 1993
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1993. 1994
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1994. 1995
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay-1987. 1989
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and the coastal bays - 1996 1997
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and the coastal bays - 1997 / 1998
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1984 / 1984
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1984. 1987
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1985 / 1987
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1985 / 1985
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1985. 1987
Distribution of submerged vascular plants, Chesapeake Bay, Maryland / 1983
Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2005. 2008
Distribution of Submersed Vascular Plants, Chesapeake Bay, Maryland. 1980
Ecological assessment of macrophyton collection, use, and meaning of data : a symposium sponsored by ASTM Committee D-19 on Water, Fort Lauderdale, FL, 15-16 Jan., 1983 / 1984
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 4: Appendices. 1980
Ecological Effects of Coal Strip-Mining: A Bibliography with Abstracts. 1977
Ecological Evaluation of Stream Eutrophication. 1973
Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} / 1983
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin. 2009
Economic Valuation of Aquatic Ecosystems. 1986
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Ecosystematic Study of the South River, Virginia. 1972
Effect of Stress and Non-Stress Conditions Upon the Interaction of Plectonema Boryanum and the LPP-Phycoviruses. 1973
Effects of Atrazine on 'Zostera marina' in Chesapeake Bay, Virginia. 1982
Effects of atrazine on Chesapeake Bay aquatic plants / 1980
Effects of climate change on aquatic invasive species / 2010
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of cyanophage SAM-1 upon Microcystis aeruginosa / 1977
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of pollutants on submarine plant synecology / 1977
Effects of pollutants on submarine plant synecology / 1977
Effects of Pollution on Freshwater Organisms. 1984
Effects of Pulp and Paper Mill Effluents on Growth and Production of Fish. Phases I and II. 1972
Effects of selected inorganic coal-gasification constituents on aquatic life an annotated bibliography / 1983
Effects of Stratospheric Ozone Depletion on Marine Organisms. 1989
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
Effects of Waste Discharges from Radford Army Ammunition Plant on the Biota of the New River, Virginia. 1973
Effects of wastewater and cooling water chlorination on aquatic life / 1976
Effects of water chemistry on submersed aquatic plants : a synthesis / 1990
Effects, Uptake, and Metabolism of Methoxychlor, Mirex, and 2,4-D in Seaweeds. 1976
Environmental effects of Schuylkill oil spill II, June 1972 / 1975
Environmental Impact Statement: Alternative Wastewater Treatment Systems for Rural Lake Projects. Case Study Number 5, Ottertail County Board of Commissioners, Ottertail County, Minnesota. Volume 2. Draft Appendices. 1979
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