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Data sets Publications Expeditions Thesaurus
Eagle Sandstone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Eagle Sandstone
RTWyoming
 Montana
 Montana Group
SNIn Montana Group. Montana and N central Wyoming. Added to Thesaurus in 1985.