Locality	Layer
	USA, Oklahoma, Tulsa Co., Sand Springs, 6.5 mls W of	Nellie Bly Fm.
	USA, Texas, Brewster Co., Lenox, 4.5 mls ESE of	Gaptank Fm., upper part (?)
	USA, Texas, Brewster Co., Marathon, 3 mls W of	Gaptank Fm.
	USA, Texas, Jack Co., Jacksboro, 3.5 mls SE of	Graham Fm., lower part