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1by Coon, William F.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
2by Sherwood, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
Government Document Book -
3by Sherwood, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
Government Document Book -
4by Sherwood, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
Government Document Book -
5by Kappel, William M.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1987
Government Document Book -
6Published 1985“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Microform Book -
7by Kappel, William M.“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1990
Government Document Book