Burge Member of Valentine Formation of Ogallala Group (NE,SD)
late Tertiary (Miocene; Clarendonian NALMA)
Type locality: Burge quarry, [on east side of Snake River, in N/2 NW/4 SE/4 sec. 15, T. 32 N., R. 30 W.], southwest of Valentine, Cherry Co., central northern NE (Johnson, 1936).
Chadron arch
Salina basin
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