LEADER 01689oem  2200457Ka 450 
001 9910696195103321
005 20070828151628.0
035   $a(CKB)5470000002374856
035   $a(OCoLC)48136030
035   $a(EXLCZ)995470000002374856
100   $a19980310d1999      da              
101 0 $aeng
120   $ab||||||||||||
121   $a||aa|||||
124   $bd
181   $ccrd$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale$b[electronic resource] $ea digital representation of maps published by the U.S. Geological Survey /$fby Paul G. Schruben ... [and others]
210  1$aReston, VA. :$cU.S. Geological Survey,$d1999.
215   $a1 electronic map $cHTML file
225 1 $aDigital data series ;$v46
300   $aTitle from HTML introductory screen (viewed on Aug. 28, 2007).
330   $a"Contains vector-based digital maps of Venezuela[n] Guayana Shield originally published as paper maps in 1993 USGS Bulletin 93-2062."
517   $aGeology and resource assessment of the Venezuelan Guayana Shield at 1
606   $aGeology$zVenezuela$vMaps
606   $aMinerals$zVenezuela$vMaps
607   $aGuiana Highlands$vMaps
608   $aRemote-sensing maps.$2lcgft
608   $aMaps.$2lcgft
615  0$aGeology
615  0$aMinerals
701   $aSchruben$b Paul G$01404281
801  0$bMNU
801  1$bMNU
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910696195103321
996   $aGeology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale$93478617
997   $aUNINA