Sulphur Flats Sandstone Member of Miner Creek Formation of Livingston Group (MT*)
Late Cretaceous (Campanian)*
Type section: along Miner Creek, near Sulphur Flats, in SE/4 sec. 19, T. 2 S., R. 9 E., Park Co., MT. Named from Sulphur Flats, Park Co., MT (Roberts, 1963).
Montana folded belt*
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