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Data sets Publications Expeditions Thesaurus
Wood River Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...upper Paleozoic
 ....Wood River Formation
RTPermian
 Pennsylvanian
 Idaho
SNPennsylvanian and Permian. S central Idaho. Indexed with ages as applicable. Added to Thesaurus in 1985.