Locality Layer
USA, Oklahoma, Tulsa Co., Sand Springs, 6.5 mls W of Nellie Bly Fm.
USA, Texas, Brown Co., Weedon School, 0.5 ml ENE of Graham Fm., lower part
USA, Texas, Jack Co., Jacksboro, 3.5 mls SE of Graham Fm., lower part
USA, Texas, Young Co., South Bend, 0.5 ml SW of Graham Fm., upper part