United States Geological Survey YearbookThe Survey, 1993 - Forest reserves |
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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