LEADER 01800oam 2200457 450 001 9910704021703321 005 20151103154905.0 035 $a(CKB)5470000002437440 035 $a(OCoLC)885009335 035 $a(EXLCZ)995470000002437440 100 $a20140731d1956 ua 0 101 0 $aeng 135 $aurn|||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aGeology of Comb Ridge and vicinity north of San Juan river, San Juan County, Utah /$fby Julian D. Sears 210 2$a[Washington] :$c[United States Government Printing Office] 210 1$a[Washington, D.C.] :$c[United States Department of the Interior, Geological Survey],$d1956. 215 $a1 online resource (ii unnumbered pages, 167-207 pages, 1 page of plate) $cillustrations, maps, charts 225 1 $aGeological Survey bulletin ;$v1021-E 225 1 $aContributions to general geology 300 $aTitle from title screen (viewed July 21, 2014). 300 $aAdditional title page description: "A description of the rocks and their structure in a little-known area that has been previously mapped on only a small scale." 320 $aIncludes bibliographical references (page 206) and index. 606 $aGeology$zUtah$zSan Juan County 606 $aGeology$2fast 607 $aUtah$zSan Juan County$2fast 615 0$aGeology 615 7$aGeology. 700 $aSears$b Julian D$g(Julian Ducker),$f1891-1970,$01390420 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910704021703321 996 $aGeology of Comb Ridge and vicinity north of San Juan river, San Juan County, Utah$93481632 997 $aUNINA