Geology of the conterminous United States at 1:2,500,000 scale : a digital representation of the 1974 P.B. King and H.M. Beikman map /
A menu-driven digital version of King and Beikman's 1974 map, with a searchable copy of the text and figures from their Professional Paper 901 describing the map's historical background and limitations. Data provided in the U.S. Geological Survey Mapper for DOS, ARC/INFO version 6.1.1 Expo...
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| Format: | Government Document Book |
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Reston, VA :
U.S. Geological Survey,
1994
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| Series: | U.S. Geological Survey digital data series ;
DDS-11 |
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