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1by Ralston, Barbara E.“...U.S. Geological Survey,...”
Published 2007
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2by Ralston, Barbara E.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2011
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3State-and-transition prototype model of riparian vegetation downstream of Glen Canyon Dam, Arizona /by Ralston, Barbara E.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2014
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