Showing 1 - 7 of 7 for search: 'Gray, Ralph J.', query time: 0.04s
by Gray, Ralph J.
Published: U.S. Dept. of the Interior, Geological Survey, 1957
Description: 22 leaves : illustrations, map ; 27 cm.
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by Schopf, James M. 1911-1978,
Published: United States Department of the Interior, Geological Survey, 1954
Description: 1 online resource (ii, 10 pages) : illustrations.
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by Schopf, James M. 1911-1978.
Published: U.S. Dept. of the Interior, Geological Survey, 1955
Description: 85 leaves : illustrations, maps ; 29 cm.
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by Schopf, James M. 1911-1978.
Published: U.S. Dept. of the Interior, Geological Survey, 1956
Description: 59 leaves : illustrations, map ; 29 cm.
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by Schopf, James M. 1911-1978.
Published: U.S. Dept. of the Interior, Geological Survey, 1955
Description: 57 leaves : illustrations, map ; 29 cm.
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by Schopf, James M. 1911-1978.
Published: U.S. Dept. of the Interior, Geological Survey, 1954
Description: 26 leaves : illustrations ; 29 cm.
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by Schopf, James M. 1911-1978.
Published: U.S. Dept. of the Interior, Geological Survey, 1954
Description: 10 pages : illustrations ; 29 cm.
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