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1by Adam, David P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
Government Document Microform Book -
2Published 1994“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
3Published 1994“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
4Published 1995“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Government Document Microform Book -
5by Adam, David P.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
Government Document Book