United States Geological Survey YearbookThe Survey - Geology |
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... Valley Caldera and the Sierra Nevada are in the distant background . The Mono Craters are an ar- cuate chain of rhyolite volcanic domes that have formed by eruptions dur- ing the past 40,000 years . United States Geological Survey ...
... Valley Caldera and the Sierra Nevada are in the distant background . The Mono Craters are an ar- cuate chain of rhyolite volcanic domes that have formed by eruptions dur- ing the past 40,000 years . United States Geological Survey ...
Page 1
... Valley , California , led the Survey to issue a notice of potential volcanic activity hazard for that area . The detailed story of this geologic hazard is the subject of a major essay in this volume . In a broader contribu- tion , the ...
... Valley , California , led the Survey to issue a notice of potential volcanic activity hazard for that area . The detailed story of this geologic hazard is the subject of a major essay in this volume . In a broader contribu- tion , the ...
Page 2
... Valley of California . Management of vital water resources infor- mation collected by the Survey was im- proved with the implementation of a new decentralized computer network that will provide field and research offices across the ...
... Valley of California . Management of vital water resources infor- mation collected by the Survey was im- proved with the implementation of a new decentralized computer network that will provide field and research offices across the ...
Page 4
... Valley Caldera ( left middle ground ) and the Sierra Nevada ( right middle ground ) . Mammoth Mountain and the resort town of Mammoth Lakes are in the left foreground . Since May 1980 , repeated earthquake swarms in the area ( arrow ) ...
... Valley Caldera ( left middle ground ) and the Sierra Nevada ( right middle ground ) . Mammoth Mountain and the resort town of Mammoth Lakes are in the left foreground . Since May 1980 , repeated earthquake swarms in the area ( arrow ) ...
Page 5
... VALLEY CALDERA. Perspectives By Roy A. Bailey Prior to the eruption of Mount St. Helens , few Americans were aware or could have been persuaded that volcanoes posed a serious hazard to life and property in this country . And ...
... VALLEY CALDERA. Perspectives By Roy A. Bailey Prior to the eruption of Mount St. Helens , few Americans were aware or could have been persuaded that volcanoes posed a serious hazard to life and property in this country . And ...
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activity Administration Alaska Apalachicola Apalachicola River Assessment Basin California cartographic Cascade volcanoes City Commission conodont conterminous United Cooperative data base Denver Department of Public deposits digital data digital line graphs Earth Resources Observation earth science earthquakes Energy Environmental eruptions evaluation faults Federal agencies Federal Bldg fiscal year 1982 Flood Control Geologic Division Geologist ground water ground-water hazards hydrologic Investigations Irrigation kaolinite Landsat Long Valley Caldera magma major Mammoth Lakes Menlo Park ment million mineral resources Minerals Management Service monitoring National Center National Mapping Division Nevada oil and gas percent 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 levels Water Management Water Resources Western zone Δ Δ