United States Geological Survey YearbookThe Survey, 1985 - Geology |
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Page 20
... quadrangles ( an area ranging from 5,000 to 8,000 square miles ) and of mineral - resource surveys done with the U.S. Bureau of Mines under legislative mandate in those areas included or proposed for inclusion in the National Wilderness ...
... quadrangles ( an area ranging from 5,000 to 8,000 square miles ) and of mineral - resource surveys done with the U.S. Bureau of Mines under legislative mandate in those areas included or proposed for inclusion in the National Wilderness ...
Page 21
... Quadrangle The Rolla quadrangle was chosen as one of the first quadrangles for study under CUSMAP because it contains known mineral occurrences and high potential for additional undiscovered occurrences of important minerals . The ...
... Quadrangle The Rolla quadrangle was chosen as one of the first quadrangles for study under CUSMAP because it contains known mineral occurrences and high potential for additional undiscovered occurrences of important minerals . The ...
Page 36
... quadrangles for more efficient image - map production , ( 2 ) developing methods for preparing map separates directly from com- puter tapes , ( 3 ) improving digital techniques for geometric correction and image enhancement , and ( 4 ) ...
... quadrangles for more efficient image - map production , ( 2 ) developing methods for preparing map separates directly from com- puter tapes , ( 3 ) improving digital techniques for geometric correction and image enhancement , and ( 4 ) ...
Page 50
... year 1987 for the 1,807 1 : 100,000 - scale quadrangles covering the conterminous United States . Image Mapping The Geological Survey recognizes a national need for image products as valuable mapping tools , map supple- ments , and as. 50.
... year 1987 for the 1,807 1 : 100,000 - scale quadrangles covering the conterminous United States . Image Mapping The Geological Survey recognizes a national need for image products as valuable mapping tools , map supple- ments , and as. 50.
Page 51
... quadrangles were produced . Coverage of most portions of the State is anticipated over the next decade . Responding ... quadrangle image mosaics of the Aleutian Islands in Alaska have been printed by screenless lithography and are ...
... quadrangles were produced . Coverage of most portions of the State is anticipated over the next decade . Responding ... quadrangle image mosaics of the Aleutian Islands in Alaska have been printed by screenless lithography and are ...
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activities Alaska aquifer areas Assistant Bacillus cereus basins Bureau California cartographic cartographic data base City coal Columbia Glacier Commission contaminants Control Cooperative Denver Department of Public digital cartographic data digital data earthquake energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1984 flow fluid inclusions geochemical geographic geographic information systems Geologist geophysical ground water ground-water hazards High Plains hydrologic ical image map information systems investigations irrigation Lake land Landsat lava located Loki Patera major Management Mauna Loa million mineral deposits mineral resources models monitoring National Center National Mapping Division Office offshore Parkfield Parkfield earthquake Planning potential production quadrangle radar Regional remote sensing River rocks San Andreas fault scientific sediment Service sources square miles STOP studies sulfur surface Survey scientists Survey's techniques tion topographic maps trends U.S. Geological Survey Volcano Water Conservation District Water District zone