LEADER 02045oam 2200553 450 001 9910707070703321 005 20160309163909.0 035 $a(CKB)5470000002460779 035 $a(OCoLC)889723610 035 $a(EXLCZ)995470000002460779 100 $a20140901d1988 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aStratigraphy of mid-Cretaceous Blackleaf and lower part of the Frontier formations in parts of Beaverhead and Madison counties, Montana /$fby Thaddeus S. Dyman and Douglas J. Nichols 210 1$a[Reston, Va.] :$cDepartment of the Interior, U.S. Geological Survey,$d1988. 210 2$a[Washington, D.C.] :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 31 pages) $cillustrations, maps 225 1 $aU.S. Geological Survey bulletin ;$v1773 300 $aTitle from title screen (viewed Aug. 28, 2014). 320 $aIncludes bibliographical references (pages 25-27). 606 $aGeology$zMontana$zBeaverhead County 606 $aGeology$zMontana$zMadison County 606 $aGeology, Stratigraphic$yCretaceous 606 $aCretaceous Geologic Period$2fast 606 $aGeology$2fast 606 $aGeology, Stratigraphic$2fast 607 $aMontana$zBeaverhead County$2fast 607 $aMontana$zMadison County$2fast 615 0$aGeology 615 0$aGeology 615 0$aGeology, Stratigraphic 615 7$aCretaceous Geologic Period. 615 7$aGeology. 615 7$aGeology, Stratigraphic. 700 $aDyman$b T. S.$01382170 702 $aNichols$b Douglas J. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707070703321 996 $aStratigraphy of mid-Cretaceous Blackleaf and lower part of the Frontier formations in parts of Beaverhead and Madison counties, Montana$93531558 997 $aUNINA