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1by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1991
Government Document Book -
2Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Government Document Book -
3Published 1993“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Government Document Book -
4by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1995
Government Document Book -
5by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
Government Document Book -
6by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1997
Government Document Book -
7by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 2001
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Government Document Book -
8by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 2002
Adobe Acrobat Reader required
Government Document Book -
9by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
Government Document Book -
10by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1986
Government Document Book -
11by Butler, David L. (David Louis), 1946-“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
Government Document Book -
12by Butler, David L. (David Louis), 1946-“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1990
Government Document Book