United States Geological Survey YearbookThe Survey, 1990 - Geology |
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activities Administration Alaska aquifer assessment Assistant atrazine Award Bldg Board Bureau cartographic data CD-ROM City City of w coal Commission cooperative Coordination County data bases Denver Denver Federal Center Department of Public deposits distribution District w drought earth science earthquake energy environment Environmental eruption field fiscal year 1991 Flood geographic geologic map geologists geophysical GIS technology Government ground water ground-water hazards Hurricane Hugo hydrologic IDNDR Information Systems Interior investigations Island Kansas River Lake land located Loma Prieta earthquake mainframe Management Menlo Park ment mineral resources Mount Pinatubo National Center National Mapping NAWQA Office percent personnel pesticides Planning processes Puerto Rico Regional Reston rock samples scientific sediment seismic Service soil spatial data studies surface tion Transportation U.S. Department U.S. Geological Survey United users USGS USGS employees volcano Water Conservation District Water District water quality Water Resources water-quality