Locality	Layer
	USA, Texas, Brewster Co., Wolf Camp, NW of, Glass Mts.	Gaptank Fm., near top
	USA, Texas, Brown Co., Byrd's store, 1 ml S of	Graford Fm.
	USA, Texas, Graham	Graham Fm.
	USA, Texas, McCulloch Co., Fife, 1.75 mls E of	Graham Fm., upper part
	USA, Texas, Stephens Co., Gunsight, 1 ml S of	Graham Fm., upper part
	USA, Texas, Young Co., Graham, 1 ml SW of	Graham Fm.