LEADER 01302nam 2200361I 450 001 9910704557703321 005 20130710120314.0 035 $a(CKB)5470000002442127 035 $a(OCoLC)852405694 035 $a(EXLCZ)995470000002442127 100 $a20130710d2013 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA conceptual prototype for the next-generation National Elevation Dataset /$fby Jason M. Stoker [and three others] 210 1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2013. 215 $a1 online resource (52 pages) $cillustrations (some color) 225 1 $aOpen-file report ;$v2013-1023 300 $aTitle from title screen (viewed on July 10, 2013). 320 $aIncludes bibliographical references (page 52). 606 $aGeospatial data$zUnited States 607 $aUnited States$xAltitudes$vDatabases 615 0$aGeospatial data 700 $aStoker$b Jason M.$01404993 712 02$aGeological Survey (U.S.), 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910704557703321 996 $aA conceptual prototype for the next-generation National Elevation Dataset$93480707 997 $aUNINA