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1by Brabets, Timothy P.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1987
Government Document Book -
2by Patrick, Leslie“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
Government Document Book -
3by Glass, R. L.“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1988
Government Document Microform Book