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1by Raines, Timothy H.“...U.S. Geological Survey,...”
Published 1998
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4by Raines, Timothy H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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5by Raines, Timothy H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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6by Dunn, David D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
Government Document Book