LEADER 01279nam  2200361Ia 450 
001 9910698740203321
005 20090420111243.0
035   $a(CKB)5470000002396455
035   $a(OCoLC)318793537
035   $a(EXLCZ)995470000002396455
100   $a20090420d1961      ua             0
101 0 $aeng
135   $aurmn||||a||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aReports and maps of the Geological Survey released only in the open files, 1960$b[electronic resource] /$fby Betsy A. Weld, Erwin S. Asselstine, and Arthur Johnson
210  1$aWashington, D.C. :$cU.S. Dept. of the Interior, Geological Survey,$d1961.
215   $a15 pages $cDJVU, image file
225 1 $aGeological Survey circular ;$v448
300   $aTitle from title screen (viewed Apr. 20, 2009).
300   $aIncludes index.
608   $aBibliographies.$2lcgft
700   $aWeld$b Betsy A$01388375
701   $aAsselstine$b Erwin S$01404858
701   $aJohnson$b Arthur$01389164
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910698740203321
996   $aReports and maps of the Geological Survey released only in the open files, 1960$93512122
997   $aUNINA