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1Published 2007“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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2Published 2007“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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3by Kellogg, Karl S.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2008
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4Published 2007“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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5by Miller, Fred K.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2001
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6Published 2011“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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Government Document eBook