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Data sets Publications Expeditions Thesaurus
Wapiti Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....Wapiti Formation
RTWyoming
 Montana
SNIn Sunlight Group. Montana and NW Wyoming. Added to Thesaurus in 1985.