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100   $a20200813d1942      ua              
101 0 $aeng
120   $a|||||||||||||
121   $a|||||||||
124   $bd
135   $aur|||||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPreliminary structure contour map of the Branson area $eLas Animas County, Colorado and Union County, New Mexico
210  1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1942.
215   $a1 online resource (1 map)
225 1 $a[Open-file report] ;$v43-30
300   $a"September 1942."
300   $aRelief shown by contours.
300   $aIncludes text.
517   $aPreliminary structure contour map of the Branson area 
606   $aGeology, Structural$zColorado$zLas Animas County$vMaps
606   $aGeology, Structural$zNew Mexico$zUnion County$vMaps
606   $aGeology, Structural$2fast
607   $aColorado$zLas Animas County$2fast
607   $aNew Mexico$zUnion County$2fast
608   $aGeological maps.$2fast
608   $aMaps.$2fast
608   $aGeological maps.$2lcgft
608   $aMaps.$2lcgft
615  0$aGeology, Structural
615  0$aGeology, Structural
615  7$aGeology, Structural.
702   $aNorthrop$b J. D.
801  0$bGPO
801  1$bGPO
801  2$bOCLCF
801  2$bOCLCQ
801  2$bXFF
801  2$bOCLCO
801  2$bTXC
801  2$bGPO
906   $aBOOK
912   $a9910713719203321
996   $aPreliminary structure contour map of the Branson area$93478934
997   $aUNINA