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1by Elliott, Caroline M., 1976-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2006
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2by Jacobson, Robert B.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2007
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3“...U.S. Department of the Interior, U.S. Geological Survey,...”
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4by Chojnacki, Kimberly A.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2013
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