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Description of the stratigraphy and structure of a quadrangle that contains some of the significant vanadium deposits of the Placerville district. Prepared on behalf of the U.S. Atomic Energy Commission and published with the permission of the Commission.
Stratigraphy, structure, and economic geology of an area at the west edge of the Colorado Plateau.
A bedded sequence of volcanic and sedimentary rocks more than 5,000 feet thick has been intruded by stocks and laccoliths.
Prepared on behalf of the U.S. Atomic Energy Commission.
Additional title page description: A study of about 13,000 feet of strata of Paleozoic and Mesozoic age underlying the district forms the background for understanding the origin of uranium-vanadium deposits.