United States Geological Survey YearbookThe Survey - Geology |
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Page 15
... discharge 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 ...
... discharge 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 ...
Page 16
... discharge areas ; • Depth to water table . This information is to be used to define the thickness of the unsaturated zone , an environment in which various rock types might be acceptable as host media ; and • Water use . The Basin and ...
... discharge areas ; • Depth to water table . This information is to be used to define the thickness of the unsaturated zone , an environment in which various rock types might be acceptable as host media ; and • Water use . The Basin and ...
Page 60
... Discharge in the Kansas - Missouri - Oklahoma Tri - State Area Lead and zinc have been mined in the tristate ( Kansas - Missouri - Oklahoma ) area since the late 19th century . Peak production was reached in the 1920's and declined ...
... Discharge in the Kansas - Missouri - Oklahoma Tri - State Area Lead and zinc have been mined in the tristate ( Kansas - Missouri - Oklahoma ) area since the late 19th century . Peak production was reached in the 1920's and declined ...
Page 72
... discharged by the Potomac River during periods of high flow settle to the bottom . They become a major source of ... discharge from the regional secondary sewage treatment plant cause a dissolved - oxygen sag for ap- proximately 8 ...
... discharged by the Potomac River during periods of high flow settle to the bottom . They become a major source of ... discharge from the regional secondary sewage treatment plant cause a dissolved - oxygen sag for ap- proximately 8 ...
Page 73
... discharge records and with reservoir characteristics so that pollu- tant loads could be estimated . Results from the three urban watersheds sampled indicate that suspended sediment is less than that measured 20 years ago . Data ...
... discharge records and with reservoir characteristics so that pollu- tant loads could be estimated . Results from the three urban watersheds sampled indicate that suspended sediment is less than that measured 20 years ago . Data ...
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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