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Data sets Publications Expeditions Thesaurus
Browns Park Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Browns Park Formation
RTPliocene
 Miocene
 Utah
 Wyoming
 Colorado
SNMiocene? NE Utah, NW Colorado and S Wyoming. Added to Thesaurus in 1985.