Locality	Layer
	USA, Arkansas, Conway Co., Morrilton, W of Arkansas River	middle Atoka Fm.
	USA, Arkansas, Washington Co., Fayetteville, N end of Kessler Mountain	lower Atoka Fm.
	USA, Illinois, Sangamon Co., Rolls Ford	Sparland Fm. of McLeansboro group
	USA, Indiana, Brown County, unrecorded	Belle City Lst. of Seminole Fm.
	USA, Indiana, Brown County, unrecorded	Belle Plains Fm.
	USA, Indiana, Brown County, unrecorded	Gaptank Fm., near top
	USA, Indiana, Brown County, unrecorded	Graford Fm.
	USA, Indiana, Brown County, unrecorded	Graham Fm.
	USA, Indiana, Brown County, unrecorded	Iatan Lst. of Pedee Group
	USA, Indiana, Brown County, unrecorded	LaSalle Fm. of McLeansboro Group
	USA, Indiana, Brown County, unrecorded	Millsap Lake Fm., Kickapoo Falls Lst.
	USA, Indiana, Brown County, unrecorded	Nelagoney Fm.
	USA, Indiana, Brown County, unrecorded	Nellie Bly Fm.
	USA, Indiana, Brown County, unrecorded	Seminole Fm.
	USA, Indiana, Brown County, unrecorded	Stranger Fm. of Douglas Group
	USA, Indiana, Brown County, unrecorded	upper Strawn
	USA, Iowa, Wapello Co., Alpine S of Ottumwa	probably lower Cherokee Fm.
	USA, Missouri, Kansas City	Iola Lst.
	USA, Missouri, Kansas City	Westerville Fm.
	USA, Missouri, Kansas City	Winterset Lst.
	USA, New Mexico, San Miguel Co., Rowe, Pecos River	Magdalena Fm.
	USA, Ohio, Guernsey County, Cambridge	Conemaugh Fm.
	USA, Oklahoma, Clarita	Middle Atoka Fm.
	USA, Oklahoma, Coal Co., Coal Co., sec.27, T.2N., R.8E.	black shale
	USA, Oklahoma, Murray Co., Sulphur, S of	Buckhorn Asphalt
	USA, Oklahoma, Muskogee Co., Braggs Mt. S of Ft.Gibson	lower Atoka Fm.
	USA, Oklahoma, Osage Co., Wild Horse, 12 mls W of Skiatook	Nelagoney Fm., Wildhorse Member
	USA, Oklahoma, Pontotoc Co., Ada, E of	Boggy Shale
	USA, Oklahoma, Tulsa Co., Sand Springs, 6.5 mls W of	Nellie Bly Fm.
	USA, Oregon, Crook Co., Upper Mills Ranch inlier	Atokan
	USA, Pennsylvania, Allegheny Co., Pittsburgh	Brush Creek Lst.
	USA, Texas, Brewster Co., Lenox, 4.5 mls ESE of	Gaptank Fm., upper part (?)
	USA, Texas, Culberson Co., Sierra Diabolo, Marble Canyon intrusion	Smithwick Shale,Magdalena Fm.
	USA, Texas, McCulloch Co., Rochelle, 3.5 mls E of	Smithwick Shale
	USA, Texas, San Saba Co., Bend, 1 ml SW of	Smithwick Shale
	USA, Texas, Wise Co., Bridgeport	Graford Shale