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1by Smith, J. Hiram (James Hiram), 1916-“...U.S. Geological Survey,...”
Published 1967
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2by Puffett, Willard P. (Willard Penry), 1922-“...U.S. Geological Survey,...”
Published 1963
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3by Stager, Harold Keith, 1921-“...U.S. Geological Survey,...”
Published 1964
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4by Reeves, Robert G. (Robert Grier), 1920-“...U.S. Geological Survey,...”
Published 1964
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7by Weis, Paul L. (Paul Lester), 1922-“...U.S. Geological Survey,...”
Published 1975
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8by Froelich, A. J. (Albert Joseph), 1929-“...U.S. Geological Survey,...”
Published 1974
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