Search Results for the EPA National Library Catalog

Items Found: 4105
Showing: Items 1001 - 1050
Your Search: (SUBJECT=lakes)


 
 
 
PREV 1 ... 16 17 18 19 20 21 22 23 24 25 26 ... 83 NEXT
Select Item Title Year Published
Economic Growth Analysis System (E-GAS) for EPA Region 5 - Great Lakes (for Microcomputers). 1994
Economic Growth Analysis System (E-GAS) for EPA Region 5 - Great Lakes (for Microcomputers). 1995
Economic Growth Analysis System (E-GAS) for EPA Region V - Great Lakes (for Microcomputers). 1993
Economic impact of the proposed averaging rule, R76-21 1978
Economic Impact Study of Proposed Thermal Discharge Standard for Lake Newton. 1977
Economic impacts of the Category 3 Marine Rule on Great Lakes Shipping / 2012
Economic instruments for the virtual elimination of persistent toxic substances in the Great Lakes Basin. 1994
Economics of Great Lakes fisheries : a 1985 assessment / 1988
Ecoregions of the conterminous United States / 1986
Ecoregions of the Upper Midwest States / 1988
Ecosystem approach to the integrity of the Great Lakes in turbulent times 1990
Ecosystem Charter for the Great Lakes-St. Lawrence Basin. 1994
Ecosystem Monitoring in the Great Lakes: Research Needs, Public Health Implications. 1981
Educators' guide to Great Lakes materials : books, films, maps and pamphlets for classroom use / 1978
Eesti NSV jarved ja nende kaitse 1977
Effect of a Power Plant on the Distribution and Abundance of Zooplankton Near the Plant's Thermal Outfall. 1972
Effect of citrate and carbonate based detergents on wastewater characteristics and treatment / 1977
Effect of Dredging on the Nutrient Levels and Biological Populations of a Lake. 1972
Effect of Environmental Factors on Phytoplankton Growth: Light and the Interactions of Light with Nitrate Limitation (Journal Version). 1981
Effect of Environmental Factors on Phytoplankton Growth: Temperature and the Interactions of Temperature with Nutrient Limitation (Journal Version). 1981
Effect of geographical location on cooling pond requirements and performance / 1971
Effect of geographical variation on performance of recirculating cooling ponds / 1974
Effect of Hanford plant operations on the temperature of the Columbia River, 1964 to present / 1970
Effect of mechanical cooling devices on ambient salt concentration / 1976
Effect of mechanical cooling devices on ambient salt concentration / 1976
Effect of meteorological variables on temperature changes in flowing streams / 1975
Effect of nuclear power generation on water quality in the Great Lakes / 1978
Effect of Nuclear Power Generation on Water Quality in the Great Lakes. 1977
Effect of Organic Amendments on Bacterial Multiplication in Lake Water. 1990
Effect of Phosphorus Control Options on Lake Water Quality. 1979
Effect of Phosphorus Control Options on Lake Water Quality. 1979
Effect of Silt and Silt Removal in a Prairie Lake. 1973
Effect of synthetic detergents on the ground water of Long Island, New York : prepared for New York State Department of Health / 1957
Effect of temperature and chemical pollutants on the behavior of several estuarine organisms 1974
Effect of temperature on aquatic life in the Ohio River: summary, July-December, 1970. 1970
Effect of thermal inputs on the populations of fish and macroinvertebrates in the Wabash River 1973
Effects and methods of control of thermal discharges : report to the Congress by the Environmental Protection Agency in accordance with Section 104(t) of the Federal Water Pollution Control Act amendments of 1972. November 1973. 1973
Effects of a Hexachlorobiphenyl and Pentachlorophenol on Growth and Photosynthesis of Phytoplankton. 1982
Effects of Acid Precipitation. 1979
Effects of Acidic Deposition on North American Lakes: Palaeolimnological Evidence from Diatoms and Chrysophytes. 1990
Effects of acidic precipitation on the water quality of streams in the Laurel Hill area, Somerset County, Pennsylvania, 1983-86 1990
Effects of Acidification on Stream Ecosystems. 1982
Effects of Age and Water Fluctuations on the Limnological Factors of Impounded Waters. 1971
Effects of ambient turbulence on buoyant jets discharged into a flowing environment / 1973
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels : fourth progress report / 1985
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels fifth progress report / 1989
Effects of chlorine and sulfite reduction on Lake Michigan invertebrates / 1976
Effects of Complex Effluents on Photosynthesis in Lake Erie and Lake Huron. 1988
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of diversion and alum application on two eutrophic lakes / 1978
PREV 1 ... 16 17 18 19 20 21 22 23 24 25 26 ... 83 NEXT

Save, Print or Email Selected Records