LEADER 01537oam 2200517 450 001 9910711567703321 005 20181102081205.0 035 $a(CKB)5470000002484373 035 $a(OCoLC)953259143 035 $a(OCoLC)995470000002484373 035 $a(EXLCZ)995470000002484373 100 $a20160708d1949 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPreliminary report of permafrost investigations in the Dunbar Area, Alaska /$fby Troy Lewis Pewe 210 1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1949. 215 $a1 online resource (3 pages) $cillustrations, map 225 1 $aGeological Survey circular ;$v42 606 $aPermafrost$zAlaska 606 $aFrozen ground$zAlaska 606 $aSoils$zAlaska 606 $aFrozen ground$2fast 606 $aSoils$2fast 607 $aAlaska$2fast 615 0$aPermafrost 615 0$aFrozen ground 615 0$aSoils 615 7$aFrozen ground. 615 7$aSoils. 700 $aPe?we?$b Troy Lewis$f1918-1999,$01391523 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bCOP 801 2$bOCLCO 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711567703321 996 $aPreliminary report of permafrost investigations in the Dunbar Area, Alaska$93517017 997 $aUNINA