LEADER 01257oam 2200409 450 001 9910705712203321 005 20171108112907.0 035 $a(CKB)5470000002453289 035 $a(OCoLC)1000616351 035 $a(EXLCZ)995470000002453289 100 $a20170815d2015 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aJourney through time, Grand Canyon geology /$fNational Park Service, U.S. Department of the Interior, Grand Canyon National Park 210 1$a[Grand Canyon, Ariz.] :$cNational Park Service,$d2015. 215 $a1 online resource (2 unnumbered pages) $ccolor illustrations 300 $a"0915." 517 3 $aGrand Canyon geology 606 $aGeology$zArizona$zGrand Canyon 606 $aGeology$2fast 607 $aArizona$zGrand Canyon$2fast 608 $aOnline resources. 615 0$aGeology 615 7$aGeology. 712 02$aGrand Canyon National Park (Agency : U.S.), 801 0$bGPO 801 1$bGPO 801 2$bMERUC 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910705712203321 996 $aJourney through time, Grand Canyon geology$93289004 997 $aUNINA