LEADER 01511oam  2200457Ia 450 
001 9910696663303321
005 20240105005132.0
035   $a(CKB)5470000002380227
035   $a(OCoLC)230821288
035   $a(EXLCZ)995470000002380227
100   $a20080605a20029999  ua              
101 0 $aeng
120   $ab||||||||||||
121   $a|||||||||
124   $bd
135   $aurcn|||||||||
181   $ccrd$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDEM discovery portal$b[electronic resource] /$fmap generated by the National Geophysical Data Center
210   $a[Boulder, Colo.] $cNOAA Satellite and Information Service, National Environmental Satellite, Data, and Information Service$d[2002-]
300   $aRelief shown by shading.
300   $aDepths shown by shading.
300   $aTitle from HTML home page (viewed on June 5, 2008).
300   $aFirst appeared online May 2002.
300   $aIncludes overview map.
517 3 $aDigital elevation model discovery portal
606   $aLandforms$vMaps
607   $aEarth (Planet)$vRelief models
608   $aWorld maps.$2lcgft
608   $aTopographic maps.$2lcgft
608   $aMaps.$2lcgft
615  0$aLandforms
712 02$aUnited States.$bNational Environmental Satellite, Data, and Information Service.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910696663303321
996   $aDEM discovery portal$93123758
997   $aUNINA