LEADER 01360oam 2200409 450 001 9910703655403321 005 20150422105643.0 035 $a(CKB)5470000002433157 035 $a(OCoLC)907782309 035 $a(EXLCZ)995470000002433157 100 $a20150422d2015 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe 3D Elevation Program $esummary for Iowa /$f[by William J. Carswell, Jr.] 210 1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d[2015] 215 $a1 online resource (2 unnumbered pages) $ccolor illustration, color map 225 1 $aFact sheet ;$v2015-3018 300 $aTitle from title screen (viewed on Apr. 16, 2015). 300 $a"March 2015." 320 $aIncludes bibliographical references (page [2]). 517 $a3D Elevation Program 606 $aDigital elevation models$zIowa 606 $aThree-dimensional imaging$zIowa 615 0$aDigital elevation models 615 0$aThree-dimensional imaging 700 $aCarswell$b William J.$01387067 712 02$aGeological Survey (U.S.), 801 0$bGPO 801 1$bGPO 801 2$bGPO 906 $aBOOK 912 $a9910703655403321 996 $aThe 3D Elevation Program$93436533 997 $aUNINA