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005 20181101080029.0
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100   $a20160706d1946      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeologic mapping by means of graphic locator /$fby D.J. Varnes
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1946.
215   $a1 online resource (6 pages) $cillustration, map
225 1 $aCircular ;$v12
606   $aCartography
606   $aGeology$vMaps
606   $aCartography$2fast
606   $aGeology$2fast
608   $aMaps.$2fast
608   $aMaps.$2lcgft
615  0$aCartography.
615  0$aGeology
615  7$aCartography.
615  7$aGeology.
700   $aVarnes$b David J$g(David Joseph),$f1919-$0522214
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910711570303321
996   $aGeologic mapping by means of graphic locator$93528056
997   $aUNINA