Locality	Layer
	USA, Texas, Brewster Co., Wolf Camp, 5 mls NE of, Glass Mts.	Gaptank Fm., near top
	USA, Texas, Brewster Co., Wolf Camp, NW of, Glass Mts.	Gaptank Fm., near top
	USA, Texas, Jack Co., Jacksboro, 3.5 mls SE of	Graham Fm., lower part
	USA, Texas, Jack Co., Jacksboro, 6.5 mls NE of	Graham Fm., lower part