United States Geological Survey YearbookThe Survey, 1993 - Forest reserves |
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Page 16
... volcanoes and for identifying engineering problems related to ground - failure hazards . □ Regional geologic studies provide geologic maps and regional syntheses of detailed geologic data essential to mineral , energy , and hazard ...
... volcanoes and for identifying engineering problems related to ground - failure hazards . □ Regional geologic studies provide geologic maps and regional syntheses of detailed geologic data essential to mineral , energy , and hazard ...
Page 25
... volcanoes , and floods , for which forecasts of timing and magnitude can be made hours to days in advance . Nonethe- less , much can be done in advance to sig- nificantly reduce the risk from future earthquakes . A Regional Approach to ...
... volcanoes , and floods , for which forecasts of timing and magnitude can be made hours to days in advance . Nonethe- less , much can be done in advance to sig- nificantly reduce the risk from future earthquakes . A Regional Approach to ...
Page 27
... Volcano Hazards ecent volcanic eruptions in the Recent United States and abroad have shown the potential impact of volcanic activity in terms of casualties ( 25,000 in Colombia in 1985 and 500 at Mount Pinatubo in 1991 ) and ...
... Volcano Hazards ecent volcanic eruptions in the Recent United States and abroad have shown the potential impact of volcanic activity in terms of casualties ( 25,000 in Colombia in 1985 and 500 at Mount Pinatubo in 1991 ) and ...
Page 28
... Volcano in the distance . Volcano in 1989-90 ) . During this cen- tury , volcanoes in California , Washington , Alaska , and Hawaii have devastated hun- dreds of square miles and caused major economic hardships and loss of life . Sig ...
... Volcano in the distance . Volcano in 1989-90 ) . During this cen- tury , volcanoes in California , Washington , Alaska , and Hawaii have devastated hun- dreds of square miles and caused major economic hardships and loss of life . Sig ...
Page 29
... volcanoes . In May 1991 , the Philippine Govern- ment invited USGS scientists to collabo- rate with Filipino volcanologists in assess- ing unrest at previously little - known Mount Pinatubo . The team provided warnings that led to the ...
... volcanoes . In May 1991 , the Philippine Govern- ment invited USGS scientists to collabo- rate with Filipino volcanologists in assess- ing unrest at previously little - known Mount Pinatubo . The team provided warnings that led to the ...
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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