Locality	Layer
	USA, Ohio, Mahoning Co., Canfield Township	Allegheny group, Putnam Hill unit
	USA, Ohio, Tuscarawas Co., Clay Township	Allegheny group, Washingtonville unit
	USA, Oklahoma, Nowata Co., Lenapah, 2 mls N of	Lenapah Lst.
	USA, Oklahoma, Okfuskee Co., Okfuskee Co., sec.36, T.12N., R.9E.	Coffeyville Fm.
	USA, Oklahoma, Osage Co., Skiatook, 4.2 mls W of railroad crossing	top of Chanute Fm.
	USA, Texas, Jack Co., Jacksboro, 3.5 mls SE of	Graham Fm., lower part
	USA, Texas, Jack Co., Jacksboro, 3.5mls E of	Graham Fm., Finis Shale
	USA, Texas, Jack Co., Jacksboro, 4 mls ENE of	Graham Fm.
	USA, Texas, Palo Pinto Co., McKenzie Mountain, E end, Brazos River	Graford Fm.
	USA, Texas, Wise Co., Bridgeport, Br. Brick Co. clay pit	Graford Fm.