LEADER 02042oam 2200529 450 001 9910706870803321 005 20180220155553.0 035 $a(CKB)5470000002458758 035 $a(OCoLC)1023518128 035 $a(EXLCZ)995470000002458758 100 $a20180216d2002 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aComposition, age, and petrogenesis of late Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana /$fby E.A. du Bray and L.W. Snee 205 $aVersion 1.0. 210 1$a[Reston, Va.?] :$cU.S. Department of the Interior, U.S. Geological Survey,$d2002. 215 $a1 online resource (iv, 30 pages) $cillustrations (some color), maps 225 1 $aU.S. Geological Survey professional paper ;$v1657 320 $aIncludes bibliographical references (pages 29-30). 517 3 $aLake Cretaceous intrusive rocks, central Big Belt Mountains, Montana 606 $aGeology, Stratigraphic$yCretaceous 606 $aRocks$zMontana$zBig Belt Mountains$xAnalysis 606 $aCretaceous Geologic Period$2fast 606 $aGeology, Stratigraphic$2fast 606 $aRocks$xAnalysis$2fast 607 $aBig Belt Mountains (Mont.) 607 $aMontana$zBroadwater County$2fast 607 $aMontana$zMeagher County$2fast 615 0$aGeology, Stratigraphic 615 0$aRocks$xAnalysis. 615 7$aCretaceous Geologic Period. 615 7$aGeology, Stratigraphic. 615 7$aRocks$xAnalysis. 676 $a557.86/612 700 $aDu Bray$b E. A.$01385525 702 $aSnee$b Lawrence W. 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bGPO 906 $aBOOK 912 $a9910706870803321 996 $aComposition, age, and petrogenesis of late Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana$93535608 997 $aUNINA