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1Published 2003“...U.S. Geological Survey ;...”
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2by Weary, David J.“...U.S. Geological Survey,...”
Published 2008
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5Published 2003“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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6by Weary, David J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2008
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7“...U.S. Department of the Interior, U.S. Geological Survey,...”
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