Locality	Layer
	USA, Arkansas, Independence Co., Batesville, Ruddel Hill, White River J.	Ruddel Shale, base
	USA, Arkansas, Independence Co., Batesville, SW slope of Ruddel Hill	Ruddel Shale, middle part
	USA, Arkansas, Independence Co., Buffalo Wallow 2 mls S of Moorefield	Ruddel Shale of Moorefield Fm.
	USA, Arkansas, Independence Co., Jamestown, Ramsey Bottom	Ruddel Shale, lower part
	USA, Arkansas, Independence Co., Jamestown, Ramsey Bottom	Ruddel Shale, middle part
	USA, Arkansas, Independence Co., Salado quad., Pine Mountain section	Ruddel Shale, base
	USA, Arkansas, Independence Co., Salado, Pine Mountain section	Ruddel Shale, middle part
	USA, Arkansas, Independence Co., Sulphur Rock, Howards Wells	Ruddel Shale
	USA, Arkansas, Scott Co., Waldron, Boles, W of Session Creek	Johns Valley Shale
	USA, Arkansas, Searcy Co., Marshall, Trace Creek	Fayetteville Fm., lower shale
	USA, Arkansas, Searcy Co., Snowball, Pate Mountain NE side	Ruddel Shale
	USA, Kentucky, Rockcastle Co., Crab Orchard	Newman Fm.