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Data sets Publications Expeditions Thesaurus
Grayburg Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Permian
 ....Guadalupian
 .....Grayburg Formation
RTNew Mexico
 Texas
SNGuadalupian. SE New Mexico, W Texas. Added to Thesaurus in 1989.