LEADER 01681oam 2200517 450 001 9910704026703321 005 20151102162737.0 035 $a(CKB)5470000002437390 035 $a(OCoLC)889723519 035 $a(EXLCZ)995470000002437390 100 $a20140901d1983 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aGarnets in Montana diatremes $ea key to prospecting for kimberlites /$fby B.C. Hearn, Jr., and E.S. McGee 210 1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1983. 210 2$a[Washington, D.C.] :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 33 pages) $cillustrations, 1 map 225 1 $aU.S. Geological Survey bulletin ;$v1604 300 $aTitle from title screen (viewed Aug. 28, 2014). 300 $aU.S. G.P.O. sales statement incorrect in publication. 320 $aIncludes bibliographical references (pages 32-33). 517 $aGarnets in Montana diatremes 606 $aGarnet$zMontana 606 $aKimberlite$zMontana 606 $aGarnet$2fast 606 $aKimberlite$2fast 607 $aMontana$2fast 615 0$aGarnet 615 0$aKimberlite 615 7$aGarnet. 615 7$aKimberlite. 700 $aHearn$b B. C.$cJr.,$01398154 702 $aMcGee$b E. S. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910704026703321 996 $aGarnets in Montana diatremes$93460944 997 $aUNINA