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1by Duncan, Donald C., 1911-1990, Hail, William J. (William James), Jr., 1922-, O'Sullivan, Robert Brett, 1923-, Pipiringos, G. N. (George Nicholas), 1918-“...Green River Formation. http://id.loc.gov/authorities/subjects/sh87002876...”
Published 1974
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2by O'Sullivan, Robert Brett, 1923-“...Green River Formation. http://id.loc.gov/authorities/subjects/sh87002876...”
Published 1975
Get full text
Government Document eBook