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1Published 1999“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
2by Lanier, Timothy“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
3by Lanier, Timothy H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
4by Horton, Robert J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1996
Government Document Book -
5Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
6by Nelson, Philip H.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1995
Government Document Book -
7by Clarke, J. S. (John Stuart)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book