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181by Lum, W. E., II (William E.)“...U.S. Geological Survey,...”
Published 1984
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182
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183by Nelson, Leonard M.“...U.S. Geological Survey,...”
Published 1987
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184
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191by Frans, Lonna M.“...U.S. Geological Survey,...”
Published 2000
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192
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193by Mastin, Mark C.“...U.S. Geological Survey,...”
Published 1999
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194by Jones, M. A. (Myrtle Anne), 1952-“...U.S. Geological Survey,...”
Published 1999
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197by Kresch, David L.“...U.S. Geological Survey,...”
Published 1999
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