United States Geological Survey YearbookThe Survey - Geology |
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Page 18
... transportation networks ( roads and railroads ) , hydrographic features ( streams and water bodies ) , and populated places . These data were entered into the computer in a format that records both the location of a feature and its ...
... transportation networks ( roads and railroads ) , hydrographic features ( streams and water bodies ) , and populated places . These data were entered into the computer in a format that records both the location of a feature and its ...
Page 19
... TRANSPORTATION. igure 2.- Comparison of level of detail contained in existing small - scale digital data bases for part of Florida , shown here at about 1 : 5,000,000 scale . produce maps at scales ranging from 1 : 2,000,000 to 1 ...
... TRANSPORTATION. igure 2.- Comparison of level of detail contained in existing small - scale digital data bases for part of Florida , shown here at about 1 : 5,000,000 scale . produce maps at scales ranging from 1 : 2,000,000 to 1 ...
Page 20
Geological Survey (U.S.). TRANSPORTATION 23. BOUNDARIES HYDROGRAPHY Figure 3.- Comparison of the kinds of small - scale infor- mation available on com- puter tapes for each of the 21 areas shown in figure 1 . starting with major limited ...
Geological Survey (U.S.). TRANSPORTATION 23. BOUNDARIES HYDROGRAPHY Figure 3.- Comparison of the kinds of small - scale infor- mation available on com- puter tapes for each of the 21 areas shown in figure 1 . starting with major limited ...
Page 33
... transportation systems , and other culture . Any one or all of these categories may be digitized from an existing 7.5 - minute quadrangle map . Based on user requests through fiscal year 1982 , nearly all digital line graph production ...
... transportation systems , and other culture . Any one or all of these categories may be digitized from an existing 7.5 - minute quadrangle map . Based on user requests through fiscal year 1982 , nearly all digital line graph production ...
Page 34
... transportation digital line graphs increased . Those categories are expected to reach a much higher production level during fiscal year 1983. Also , during fiscal year 1982 , the U.S. Geological Survey initiated a project to integrate ...
... transportation digital line graphs increased . Those categories are expected to reach a much higher production level during fiscal year 1983. Also , during fiscal year 1982 , the U.S. Geological Survey initiated a project to integrate ...
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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