United States Geological Survey YearbookThe Survey - Geology |
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Page 1
... sources . This technique greatly increases the accuracy of earthquake descriptions and facilitates recognition of long - term seismic patterns . Significant advances in mineral resource research during the year include the initia- tion ...
... sources . This technique greatly increases the accuracy of earthquake descriptions and facilitates recognition of long - term seismic patterns . Significant advances in mineral resource research during the year include the initia- tion ...
Page 2
... sources including its Bench- mark Network . The Benchmark Network , established in 1958 , is the only long - term ... source that can be applied to problems of all kinds and updated rapidly . Cultural and physiographic data are digitized ...
... sources including its Bench- mark Network . The Benchmark Network , established in 1958 , is the only long - term ... source that can be applied to problems of all kinds and updated rapidly . Cultural and physiographic data are digitized ...
Page 6
... Source for Eruptions Mammoth Lakes , in addition to being along the tectonically active eastern Sierran front , also lies in the southwestern corner of Long Valley Caldera , a large oval volcanic depression , 20 miles long and 10 miles ...
... Source for Eruptions Mammoth Lakes , in addition to being along the tectonically active eastern Sierran front , also lies in the southwestern corner of Long Valley Caldera , a large oval volcanic depression , 20 miles long and 10 miles ...
Page 17
... sources . With in- creasing frequency , this information is analyzed using computer models . Information from U.S. Geological Survey topographic maps is fundamental in resource studies that require geographic control , terrain ...
... sources . With in- creasing frequency , this information is analyzed using computer models . Information from U.S. Geological Survey topographic maps is fundamental in resource studies that require geographic control , terrain ...
Page 18
... Source materials for the United States were digitized from 1 : 3,000,000 - scale maps using 1.5 million points . Some of the limitations associated with these earlier data bases are : • The very small scale of the source maps used for ...
... Source materials for the United States were digitized from 1 : 3,000,000 - scale maps using 1.5 million points . Some of the limitations associated with these earlier data bases are : • The very small scale of the source maps used for ...
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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