LEADER 01443oes 2200481I 450 001 9910700150403321 005 20160405151001.0 035 $a(CKB)5470000002407463 035 $a(OCoLC)704566221 035 $a(EXLCZ)995470000002407463 100 $a20110302a20109999 ca 101 0 $aeng 120 $ab|||||||||||| 121 $a||||||||| 124 $bd 135 $aurcn||||||||| 181 $ccri$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAlton quadrangle, Texas $e7.5-minute series /$fproduced by the United States Geological Survey 210 1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d2010- 215 $a1 online resource (maps) $ccolor 300 $aRelief shown by contours and spot heights. 300 $aIncludes location map and index to adjoining quadrangles. 517 $aAlton quadrangle, Texas 607 $aHidalgo County (Tex.)$vMaps 607 $aAlton (Tex.)$vMaps 607 $aLa Homa (Tex.)$vMaps 607 $aMcAllen (Tex.)$vMaps 607 $aMission (Tex.)$vMaps 607 $aTexas$2fast 608 $aMaps.$2fast 608 $aTopographic maps.$2lcgft 608 $aMaps.$2lcgft 801 0$bGPO 801 1$bGPO 801 2$bOCLCQ 801 2$bOCLCF 801 2$bGPO 906 $aJOURNAL 912 $a9910700150403321 996 $aAlton quadrangle, Texas$93515922 997 $aUNINA