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A Year of Change A Year of Challenge Perspectives
Precursor to Possible Volcanic Activity?
Use of the Geohydrologic Environment for HighLevel Radioactive Waste Disposal
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activity Administration Alaska Apalachicola Apalachicola River Assessment Basin Board of County California cartographic Cascade volcanoes City Commission conodont conterminous United Cooperative County Commissioners data base Denver Department of Public deposits digital data Earth Resources Observation earth science earthquakes Environmental eruptions evaluation faults Federal agencies Federal Bldg fiscal year 1982 Flood Control Geologic Division Geologist ground water ground-water hazards hydrologic Investigations Irrigation Landsat Long Valley Caldera magma major Mammoth Lakes ment million mineral resources Minerals Management Service monitoring National Center National Mapping Division Nevada oil and gas percent petroleum Planning Planning w potential Potomac River produced Puerto Rico quadrangle radiometer Regional Research Resources Observation Systems resurgent dome rocks sediments seismic square miles STOP studies Survey’s techniques tidal Potomac River tidal river tion topographic Transportation U.S. Geological Survey volcanic Water Conservation District Water District Water Management Water Resources Western zone