Locality Layer
USA, Arkansas, Boone Co., Harrison, Gaither Mountain Brentwood Lst.
USA, Arkansas, Carroll Co., Harrison Witts Springs Fm.
USA, Arkansas, Cleburne Co., Greers Ferry Dam Witts Springs Fm.
USA, Arkansas, Madison Co., Witter, War Eagle Creek, tributary to Brentwood Lst.
USA, Arkansas, Scott Co., Boles, 4 mls E of Johns Valley Shale
USA, Arkansas, Scott Co., Boles, Fourche La Fave River Johns Valley Shale
USA, Arkansas, Searcy Co., Snowball, Highway 27, Christ Church Witts Springs Fm.
USA, Arkansas, Washington Co., Brentwood, 4 mls E of, Porter Branch Bloyd Fm., Brentwood Mb.
USA, Arkansas, Washington Co., Fayetteville, S end of East Mountain Hale Fm., Prairie Groove member
USA, Arkansas, Washington Co., Round Mountain (Sec.7, T15N, R30W) Brentwood Fm.
USA, Arkansas, Washington Co., Winslow, Lee Creek, Devil's Den Brentwood Mb.,up.lmst.
USA, Arkansas, Washington Co., Winslow, Mill Creek bridge Hale Fm., Prairie Groove member
USA, Arkansas, Washington Co., Winslow, Woolsey Bloyd Shale, Brentwood Lst.
USA, Arkansas, Washington Co., Woolsey,ENE of, E side Highway 71 Brentwood Fm.
USA, Oklahoma, Cherokee Co., Cherokee Co., sec.22, T.17N., R.19E. Brentwood Lst.
USA, Oklahoma, Cherokee Co., Grand River, E side Brentwood Lst.
USA, Oklahoma, Muskogee Co., Braggs, spillway of Greenleaf Creek Brentwood Lst.
USA, Oklahoma, Muskogee Co., Greenleaf Creek 3.5 mls SE of Braggs Lower to Middle Bloyd Fm.
USA, Oklahoma, Muskogee Co., Webbers Fall, 4 mls NW of Brentwood Lst.
USA, Oklahoma, Pontotoc Co., Ada, 7 mls SE of, Buck Creek, Lovelady Union Valley Sandstone
USA, Oklahoma, Pontotoc Co., Stonewall, 2 mls NW of, Lovelady Switch Union Valley Fm.