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Data sets Publications Expeditions Thesaurus
Snowslip Formation  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Mesoproterozoic
 ....Snowslip Formation
RTMontana
 Belt Supergroup
 Missoula Group
SNIn Missoula Group of Belt Supergroup. W Montana. Added to Thesaurus in 1989.