LEADER 01269oam 2200349Ia 450 001 9910696169703321 005 20200601132205.0 035 $a(CKB)5470000002375112 035 $a(OCoLC)68961914 035 $a(EXLCZ)995470000002375112 100 $a20060518d2006 ua 0 101 0 $aeng 135 $aurmn||||m|||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aProcessed 1938 aerial photography for selected areas of the lower Colorado River, southwestern United States$b[electronic resource] /$fby Laura M. Norman ... [and others] 205 $aVersion 1.0. 210 1$aReston, Va. :$cU.S. Geological Survey,$d2006. 215 $a116 pages $cdigital, PDF file 225 1 $aOpen-file report ;$v2006-1141 300 $aTitle from PDF title screen (viewed on May 17, 2006). 320 $aIncludes bibliographical references (page 24). 701 $aNorman$b Laura$g(Laura Margaret),$f1972-$01405391 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696169703321 996 $aProcessed 1938 aerial photography for selected areas of the lower Colorado River, southwestern United States$93481713 997 $aUNINA