United States Geological Survey YearbookThe Survey, 1993 - Forest reserves |
From inside the book
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... water quality , cutoff of a meander at Miller City , Ill . , sediment concentrations and loads , and impacts of reservoirs on peak flows . Back cover : Farm building under water just west of the canal that bypasses , on the Illinois ...
... water quality , cutoff of a meander at Miller City , Ill . , sediment concentrations and loads , and impacts of reservoirs on peak flows . Back cover : Farm building under water just west of the canal that bypasses , on the Illinois ...
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... quality water available for national needs ? How can we ensure an adequate supply of critical water , energy , and mineral resources in the future ? In what ways are we irreversibly alter- ing our natural environment when we use these ...
... quality water available for national needs ? How can we ensure an adequate supply of critical water , energy , and mineral resources in the future ? In what ways are we irreversibly alter- ing our natural environment when we use these ...
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... Water Quality Assessment program in 1986 signaled a profound change in our approach to water - quality studies . This perennial effort will give managers and pol- icymakers consistent information on the status and trends of the quality ...
... Water Quality Assessment program in 1986 signaled a profound change in our approach to water - quality studies . This perennial effort will give managers and pol- icymakers consistent information on the status and trends of the quality ...
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... Water Quality in an Urban Watershed ? The The Difficult Run watershed is approximately 59 square miles in size and drains an area of northern Vir- ginia that , like many tributaries to the Potomac River in the Washington , D.C. , area ...
... Water Quality in an Urban Watershed ? The The Difficult Run watershed is approximately 59 square miles in size and drains an area of northern Vir- ginia that , like many tributaries to the Potomac River in the Washington , D.C. , area ...
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... quality of water in the basin . The base layers ( hydrography , watershed and subwater- shed boundaries , terrain elevation and slope ) for the entire watershed have been derived from USGS GeoData products and will be used in water - ...
... quality of water in the basin . The base layers ( hydrography , watershed and subwater- shed boundaries , terrain elevation and slope ) for the entire watershed have been derived from USGS GeoData products and will be used in water - ...
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activities Administration aquifer areas assessment atmosphere atrazine Award Bureau California cartographic City City of w coal Colorado Commission contaminants cooperation in earth Coordination data base debris flows Denver Denver Federal Center Division earth sciences earthquake employees energy environment Federal agencies flood floodplain geographic information systems Geological Survey USGS global change ground water ground-water hazards High Plains hydrologic information systems Interior Internet Irrigation KILOMETERS Lake land locations Management District ment Mineral Resources Mississippi River models monitoring Municipal National Center Northridge earthquake Office Park pesticides Planning processes Regional Reston River Basin Scientific and technical sediment seismic Service Soil South Platte River spatial data studies technical cooperation Telephone 703 tion Transportation U.S. Forest Service U.S. Geological Survey United University users USGS USGS scientists Valley volcanoes Water Conservation District Water District water quality Water Resources water-quality