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2by Mapel, W. J. (William Jameson), 1922-“...U.S. Geological Survey,...”
Published 1985
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3by Mapel, W. J. (William Jameson), 1922-“...U.S. Geological Survey,...”
Published 1985
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4by Mapel, W. J. (William Jameson), 1922-“...U.S. Geological Survey,...”
Published 1985
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5Published 1986“...Dept. of the Interior, U.S. Geological Survey ;...”
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6“...U.S. Department of the Interior, U.S. Geological Survey,...”
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