Mineral-resource appraisal of the Rolla 1⁰ X 2⁰ quadrangle, Missouri, as of September 1980 :
a nontechnical summary /
by Walden P. Pratt ; prepared in cooperation with the Missouri Department of Natural Resources, Division of Geology and Land Survey.
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Item Link | Original Source |
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Full view no.865-869 | The Ohio State University |