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100   $a20140731d1956      ua             0
101 0 $aeng
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181   $ctxt$2rdacontent
181   $ccri$2rdacontent
182   $cc$2rdamedia
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200 10$aPhotogeologic procedures in geologic interpretation and mapping /$fby Richard G. Ray
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1956.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iii, 21 pages, 2 pages of plates) $cillustrations, photographs
225 1 $aGeological Survey bulletin ;$v1043-A
225 1 $aProcedures and studies in photogeology
300   $aTitle from title screen (viewed July 21, 2014).
300   $aAdditional title page description: "A discussion of the general categories of photogeologic procedures and photogrammetric instruments.
320   $aIncludes bibliographical references.
606   $aAerial photography in geology
606   $aPhotographic surveying
606   $aAerial photography in geology$2fast
606   $aGeology$2fast
606   $aPhotographic surveying$2fast
615  0$aAerial photography in geology.
615  0$aPhotographic surveying.
615  7$aAerial photography in geology.
615  7$aGeology.
615  7$aPhotographic surveying.
700   $aRay$b Richard G$g(Richard Godfrey),$f1920-$01401939
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
801  2$bOCLCO
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910707189403321
996   $aPhotogeologic procedures in geologic interpretation and mapping$93471397
997   $aUNINA