United States Geological Survey YearbookThe Survey, 1987 - Geology |
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activities Administration Alaska analysis aquifer areas assessment Award barrier islands basin Board Bureau California cartographic CDSN City City of w coastal Commission cooperative Coordination County data base data sets Denver Denver Federal Center Department of Public deposits Digital Cartographic Data District w earth sciences earthquake Environmental erosion estimates fault fiscal year 1988 flow geographic geographic information systems Geologist GEONET geophysical global change gold gram ground water ground-water hazards hydrologic IDNDR Information Systems Division investigations Irrigation islands Lake land Management median ment miles million mineral resources Mississippi River National Center National Mapping Division Natural Office offshore Operations organic peat percent Planning potential processes radon Regional Reston rocks scientific sediment selenium Service soils spatial Stop streamflow supercomputers tion Transportation U.S. Geological Survey United users USGS Valley volcanic Water Conservation District Water District water quality water-quality water-use