LEADER 01790oam 2200457 450 001 9910711557403321 005 20181106085841.0 035 $a(CKB)5470000002484477 035 $a(OCoLC)953211610 035 $a(OCoLC)995470000002484477 035 $a(EXLCZ)995470000002484477 100 $a20160707d1983 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aMineral-resource appraisal of the Rolla 1?? x 2?? quadrangle, Missouri, as of September 1980 $ea nontechnical summary /$fby Walden P. Pratt ; prepared in cooperation with the Missouri Department of Natural Resources, Division of Geology and Land Survey 210 1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1983. 215 $a1 online resource (iii, 5 pages) $cmaps 225 1 $aGeological Survey circular ;$v869 320 $aIncludes bibliographical reference (page 5). 517 $aMineral-resource appraisal of the Rolla 1?? x 2?? quadrangle, Missouri, as of September 1980 606 $aMines and mineral resources$zMissouri 606 $aMines and mineral resources$2fast 607 $aMissouri$2fast 615 0$aMines and mineral resources 615 7$aMines and mineral resources. 700 $aPratt$b Walden P.$01397053 712 02$aGeological Survey (U.S.), 712 02$aMissouri.$bDivision of Geology and Land Survey. 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711557403321 996 $aMineral-resource appraisal of the Rolla 1?? x 2?? quadrangle, Missouri, as of September 1980$93474055 997 $aUNINA