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1Published 1986“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Microform Book -
2by Maurer, Mary A.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
Government Document Microform Book -
3Published 1993“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
4Published 1994“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book