LEADER 01274nam  2200361Ia 450 
001 9910698742903321
005 20090417110421.0
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035   $a(OCoLC)318645936
035   $a(EXLCZ)995470000002396427
100   $a20090417d1970      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, 1969$b[electronic resource] /$fby Betsy A. Weld, Margaret S. Griffin, and George W. Brett
210  1$aWashington :$cU.S. Dept. of the Interior, Geological Survey,$d1970.
215   $a23 pages $cDJVU, image file
225 1 $aGeological Survey circular ;$v618
300   $aTitle from title screen (viewed Apr. 17, 2009).
300   $aIncludes index.
608   $aBibliographies.$2lcgft
700   $aWeld$b Betsy A$01388375
701   $aGriffin$b Margaret S$01388376
701   $aBrett$b George W$01388377
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910698742903321
996   $aReports and maps of the Geological Survey released only in the open files, 1969$93438905
997   $aUNINA