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Geologic and geophysical framework of the Santa Rosa 7.5' quadrangle, Sonoma county, California
Geologic units, structural features, magnetic and gravity anomaly contours and radiometric ages of this area |
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Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale
Mineral resource assessment of the Venezuelan Guayana Shield, including geologic unit map |
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Geology of the conterminous United States
A digital version of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. |
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Methods to create GIS styles with examples for lithology and time
Methods used to create several styles for lithology or geologic time, including style files for Lithclass lithologic categories, and ISC and DNAG timescales. |
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