Hollis Dolomite Bed of Dog Creek Shale of El Reno Group (OK)
early Permian (Leonardian)
Type section: SE/4 SW/4 NE/4 sec. 11, T. 1 N., R. 26 W., to NE/4 NE/4 SE/4 sec. 1, T. 1 N., R. 26 W., Harmon Co., OK (Johnson, 1990).
Palo Duro basin
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