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, Palo Pinto Co., Brad, 2,96 km W of highway 180 and 16 j.	Caddo Creek Fm., Colony Creek Shale