Locality	Layer
	USA, Texas, Brewster Co., Lenox, 4.5 mls ESE of	Gaptank Fm., upper part (?)
	USA, Texas, Pecos Co., Gap Tank, 2 mls SE of	Gaptank Fm., about middle part
	USA, Texas, Wise Co., Bridgeport, Br. Brick Co. clay pit	Graford Fm.