United States Geological Survey YearbookThe Survey - Geology |
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Page 6
... zone bounding the eastern front of the Sierra Nevada , a region long noted for its earthquake activity . The nearby Owens Valley was rocked by a magnitude 8.2 earthquake in 1872 , and sporadically , every decade or so the region ...
... zone bounding the eastern front of the Sierra Nevada , a region long noted for its earthquake activity . The nearby Owens Valley was rocked by a magnitude 8.2 earthquake in 1872 , and sporadically , every decade or so the region ...
Page 7
... Valley Caldera showing inferred subsurface relations of the Long Valley magma chamber and the tonguelike offshoot of magma in the south moat ring - fracture zone . under the Geothermal Research Program . These networks were designed. 7.
... Valley Caldera showing inferred subsurface relations of the Long Valley magma chamber and the tonguelike offshoot of magma in the south moat ring - fracture zone . under the Geothermal Research Program . These networks were designed. 7.
Page 13
... zone peripheral to the resurgent dome along what is most likely the caldera ring fracture . Has the tongue of magma beneath the epicentral area ceased rising toward the sur- face , or is it only taking a " breather " ? Is the decline in ...
... zone peripheral to the resurgent dome along what is most likely the caldera ring fracture . Has the tongue of magma beneath the epicentral area ceased rising toward the sur- face , or is it only taking a " breather " ? Is the decline in ...
Page 15
... zones , and water quantities of water inflow , storage , and outflow . Poten- tiometric head is usually the most significant of these factors in defining ground - water flow within a system and in delineating system boundaries . Geology ...
... zones , and water quantities of water inflow , storage , and outflow . Poten- tiometric head is usually the most significant of these factors in defining ground - water flow within a system and in delineating system boundaries . Geology ...
Page 16
... zone , an environment in which various rock types might be acceptable as host media ; and • Water use . The Basin and Range province has been subdivided into regions , and those con- sidered most suitable will be described and evaluated ...
... zone , an environment in which various rock types might be acceptable as host media ; and • Water use . The Basin and Range province has been subdivided into regions , and those con- sidered most suitable will be described and evaluated ...
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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