LEADER 01375oam 2200409Ia 450 001 9910696818203321 005 20080729120847.0 035 $a(CKB)5470000002382703 035 $a(OCoLC)77484084 035 $a(EXLCZ)995470000002382703 100 $a20061227d2006 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA century of retreat at Portage Glacier, south-central Alaska$b[electronic resource] /$f[Ben W. Kennedy, Dennis C. Trabant, and Lawrence R. Mayo] 210 1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2006] 215 $a2 unnumbered pages $cdigital, PDF file 225 1 $aFact sheet ;$v2006-3141 300 $aTitle from title screen (viewed on July 26, 2008). 300 $a"November 2006." 320 $aIncludes bibliographical references. 606 $aGlaciers$zAlaska 607 $aPortage Glacier (Alaska) 615 0$aGlaciers 700 $aKennedy$b Ben W$01382493 701 $aTrabant$b Dennis$01412600 701 $aMayo$b L. R$01422839 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696818203321 996 $aA century of retreat at Portage Glacier, south-central Alaska$93548468 997 $aUNINA