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100   $a20070508d2007      ca              
101 0 $aeng
120   $ab||||||||||||
121   $a|||||||||
124   $bd
135   $aurcnu--|m||||
181   $ccrd$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPreliminary geologic map of the Lake Mead 30? X 60? quadrangle, Clark County, Nevada, and Mohave County, Arizona$b[electronic resource] /$fby L.S. Beard ... [and others] ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the National Park Service
205   $aVersion 1.0.
210  1$aFlagstaff, Ariz. :$cU.S. Geological Survey,$d2007.
215   $a1 electronic map $cHTML, digital, PDF file
225 1 $aU.S. Geological Survey open-file report ;$v2007-1010
300   $aTitle from HTML index page (viewed on May 3, 2007).
606   $aGeology$zMead, Lake (Ariz. and Nev.)$vMaps
608   $aMaps.$2lcgft
615  0$aGeology
700   $aBeard$b Sue$01388905
712 02$aGeological Survey (U.S.)
712 02$aUnited States.$bNational Park Service.
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910696107103321
996   $aPreliminary geologic map of the Lake Mead 30? X 60? quadrangle, Clark County, Nevada, and Mohave County, Arizona$93543485
997   $aUNINA