01790oam 2200457 450 991071155740332120181106085841.0(CKB)5470000002484477(OCoLC)953211610(OCoLC)995470000002484477(EXLCZ)99547000000248447720160707d1983 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMineral-resource appraisal of the Rolla 1℗ʻ x 2℗ʻ 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[Reston, Va.] :United States Department of the Interior, Geological Survey,1983.1 online resource (iii, 5 pages) mapsGeological Survey circular ;869Includes bibliographical reference (page 5).Mineral-resource appraisal of the Rolla 1℗ʻ x 2℗ʻ quadrangle, Missouri, as of September 1980 Mines and mineral resourcesMissouriMines and mineral resourcesfastMissourifastMines and mineral resourcesMines and mineral resources.Pratt Walden P.1397053Geological Survey (U.S.),Missouri.Division of Geology and Land Survey.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910711557403321Mineral-resource appraisal of the Rolla 1℗ʻ x 2℗ʻ quadrangle, Missouri, as of September 19803474055UNINA