United States Geological Survey YearbookThe Survey - Geology |
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Page 61
... nitrate - rich and is connected with the river . In addition , three artesian aquifers have been the target of an exploratory program and will be tapped by about 20 out of 30 production wells , 11 of which have been completed to date ...
... nitrate - rich and is connected with the river . In addition , three artesian aquifers have been the target of an exploratory program and will be tapped by about 20 out of 30 production wells , 11 of which have been completed to date ...
Page 63
... nitrate ( NO3 ) * , sodium ( Na ) * , nickel ( Ni ) , lead ( Pb ) * , selenium ( Se ) , silica ( Si ) , strontium ( Sr ) * , sulfate ( SO4 ) * , vanadium ( V ) , and zinc ( Zn ) . The analytical techniques and sampling procedures ...
... nitrate ( NO3 ) * , sodium ( Na ) * , nickel ( Ni ) , lead ( Pb ) * , selenium ( Se ) , silica ( Si ) , strontium ( Sr ) * , sulfate ( SO4 ) * , vanadium ( V ) , and zinc ( Zn ) . The analytical techniques and sampling procedures ...
Page 64
... nitrate , lead , and iron loading are similar to those of pH and may reflect some interrelationship . Many constituents showed local anom- alies , although it was not the original intent of this study to assess them . Local deviation ...
... nitrate , lead , and iron loading are similar to those of pH and may reflect some interrelationship . Many constituents showed local anom- alies , although it was not the original intent of this study to assess them . Local deviation ...
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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