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1by Spengler, Richard W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
Government Document Book -
2by Craig, R. W.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1983
Government Document Book -
3by Bentley, C. B. (Craig B.)“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
Government Document Book -
4Published 1984“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Microform Book