Search Results for the EPA National Library Catalog

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Hydrologic data for North Creek Trinity River Basin, Texas, 1979 1981
Hydrologic data for North Creek, Trinity River Basin, Texas. 1972
Hydrologic data for selected streams in the coal area of southeastern Oklahoma, July 1978 to September 1982 1987
Hydrologic Impacts from Potential Coal Strip Mining - Northern Cheyenne Reservation. Volume II. 1981
Hydrologic investigation of the Cache Creek 1989
Hydrologic investigation of the Canadian River and Little River 1986
Hydrologic investigation of the Cimarron River 1991
Hydrologic investigation of the Muddy Boggy River 1987
Hydrologic investigation of the Salt Fork of the Arkansas River and Chikaskia River 1987
Hydrologic Reconnaissance of the Pascagoula River Estuary, Mississippi. 1973
Hydrologic studies of Little Pond Creek and North Elm Creek Watersheds, Brazos River, Texas : 1963-69. 1972
Hydrologic studies of small watersheds, Honey Creek basin, Collin and Grayson Counties, Texas, 1953-59 / 1964
Hydrologic Study of the Yaguez River Watershed. 1971
Hydrologic summary, New Mexico streamflow and reservoir content, 1888-1954; {Prepared in cooperation with the New Mexico Interstate Stream Commission and the U.S. Geological Survey}. 1959
Hydrology and water quality of the principal springs in Puerto Rico 1988
Hydrology of four streams in western Washington as related to several Pacific salmon species : Humptulips, Elochoman, Green, and Wynoochee Rivers / 1972
Hydrology of four streams in western Washington as related to several Pacific salmon species, 1972
Hydrology of the 1997 New Year's flood, Sacramento and San Joaquin Basins. 1999
Hydrology, ecology, and fishes of the Klamath River Basin / 2008
HYSEP : a computer program for streamflow hydrograph separation and analysis / 1996
Identifying Vulnerable Surface Water Utilities. 1989
Illinois River System - Stream Flows Required for Water Quality Control. 1963
Illinois River System - Water Quality Conditions. Part I. Text. 1963
Illinois River System - Water Quality Conditions. Part II. Tables. Chapters 2 and 3. 1963
Illinois River System - Water Quality Conditions. Part II. Tables. Chapters 4 through 9. 1963
Illinois River System - Water Quality Conditions. Part III. Graphs and Illustrations. 1963
Immediate water pollution control needs Rio Grande Basin Colorado, New Mexico, and Texas. 1967
Immediate Water Pollution Control Needs, Pecos River Basin, New Mexico and Texas. 1967
Impact assessment of water resource development activities : a dual matrix approach / 1978
Impact of chlorine/ammonia on ecosystem structure and function in experimental streams. [Microfiche]. 1988
Impact of Fargo, North Dakota's Waste Discharges on the Interstate Waters of the Red River of the North, September 1969-April 1970. 1970
Impact of Freshwater Flow Variations in the Manatee River. 1994
Impact of Imposing a Water Quality Standard on a Live Stream. 1971
Impact of Lead-Zinc Mining on the Quality and Ecology of Surface Waters in Southeast Missouri. 1970
Impact of Non-Point Pollution Control on Western Lake Superior. Red Clay Project-Work Plan. 1976
Impact of stream alterations on riparian communities in southcentral Oklahoma. 1980
Impact of suction dredging on water quality, benthic habitat, and biota in the Fortymile River, Resurrection Creek, and Chatanika River, Alaska 1999
Impact of urbanization on the hydrology of Pocono Creek Watershed a model study / [electronic resource] : 2006
Impacts of construction activities in wetlands of the United States / 1976
Implementation and verification of a one-dimensional, unsteady-flow model for Spring Brook near Warrenville, Illinois 1996
Implementation procedures for the habitat conservation plan riparian forest restoration strategy for westside planning units excluding the Olympic Experimental State Forest 2006
Importance of Hydrogen Ions and Aluminium in Regulating the Structure and Function of Steam Ecosystems: An Experimental Test. 1987
Improvement of trout streams in Wisconsin by augmenting low flows with ground water / 1973
Improving the statistical reliability of stream heat assimilation prediction / 1975
In-stream distribution and hydraulic and ecological effects of volcanic ash from Mount St. Helens eruption / 1983
Index of published surface-water-quality data for Oklahoma 1946-1975 / 1977
Index of streamflow and water-quality records to September 30, 1978 : Arctic Slope, Alaska / 1980
Index of streamflow and water-quality records to September 30, 1978, northwest Alaska 1980
Index of streamflow and water-quality records to September 30, 1978, south-central Alaska 1980
Index of streamflow and water-quality records to September 30, 1978, southeast Alaska / 1980
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