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1by Stephens, Doyle W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book -
2Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
3by Kendy, Eloise“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Microform Book -
4by Seiler, R. L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Microform Book -
5by Embrey, S. S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
Government Document Book -
6by Hoffman, Ray J.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1988
Government Document Book