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Data sets Publications Expeditions Thesaurus
Delaware Mountain Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Permian
 ....Guadalupian
 .....Delaware Mountain Group
RTTexas
 Bell Canyon Formation
 Brushy Canyon Formation
 Cherry Canyon Formation
SNW Texas. Added to Thesaurus in 1985.