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1Published 1985“...U.S. Geological Survey,...”
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2Published 1985“...U.S. Geological Survey,...”
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3Published 1979“...U.S. Geological Survey,...”
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4by Williams, D. A. (David Andrew), 1951-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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5Published 2002“...U.S. Geological Survey ; For sale by USGS Information Services,...”
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