LEADER 02000oam 2200529 450 001 9910704387203321 005 20160229142142.0 035 $a(CKB)5470000002439809 035 $a(OCoLC)885119737 035 $a(EXLCZ)995470000002439809 100 $a20140802d1958 ua 0 101 0 $aeng 135 $aurn|||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aOptical calcite deposits in Park and Sweet Grass Counties, Montana /$fby W.C. Stoll and Frank C. Armstrong 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1958. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 431-479 pages, 13 pages of plates) $cillustrations, maps, charts, photographs 225 1 $aContributions to economic geology 225 1 $aGeological Survey bulletin ;$v1042-M 300 $aTitle from title screen (viewed July 22, 2014). 300 $aAdditional title page description: "A report on Montana deposits that provided essential optical material during the early years of World War II." 320 $aIncludes bibliographical references (pages 476-478) and index. 517 1 $aContributions to economic geology 606 $aCalcite$zMontana$zPark County 606 $aCalcite$zMontana$zSweet Grass County 606 $aCalcite$2fast 607 $aMontana$zPark County$2fast 607 $aMontana$zSweet Grass County$2fast 615 0$aCalcite 615 0$aCalcite 615 7$aCalcite. 700 $aStoll$b W. C$g(Walter Clericus),$f1915-$01413745 702 $aArmstrong$b Frank C. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 801 2$bOCLCQ 906 $aBOOK 912 $a9910704387203321 996 $aOptical calcite deposits in Park and Sweet Grass Counties, Montana$93510914 997 $aUNINA