United States Geological Survey Yearbook

activities Administration Alaska aquifer assessment Assistant atrazine Award basin Bldg Bureau cartographic data Chief Hydrologist City City of w coastal Commission Committee cooperative Coordination County data base Denver Federal Center Department of Public deposits distribution earth science earthquake energy environment Environmental eruption Federal agencies field fiscal year 1992 Flood geographic geographic information systems geologic map Geologist GeoMedia Government ground water ground-water hazards Hurricane Hurricane Andrew Hurricane Hugo hydrologic Hydrologist Information Systems Interior investigations Islands kilometers Lake land located Management Menlo Park ment mineral resources National Center National Mapping NAWQA Office percent personnel pesticides Planning processes Puerto Rico Regional Reston River scientific sediment seismic Service spatial data surface tion Transportation U.S. Department U.S. Geological Survey United University users USGS USGS employees volcano Water Conservation District Water District water quality Water Resources water-quality