Locality	Layer
	USA, Arkansas, Carroll Co., Carrollton, 1 ml SW of	Batesvile Sdst.
	USA, Arkansas, Independence Co., Batesville vicinity	Ruddell Shale
	USA, Arkansas, Independence Co., Batesville, White River Junction	Batesville Sdst.
	USA, Arkansas, Independence Co., Batesville, White River	Batesville Sdst.
	USA, Arkansas, Independence Co., Buffalo Wallow 2 mls S of Moorefield	Ruddel Shale of Moorefield Fm.
	USA, Arkansas, Independence Co., Earnharts Station on Missouri Pac. Rail.	Ruddel Shale, upper part
	USA, Arkansas, Independence Co., Earnharts Station, 3 mls W of	Batesville Sdst.
	USA, Arkansas, Independence Co., Spring Creek, near Ruddel's Mill	Batesville Sdst.
	USA, Arkansas, Independence Co., Sulphur Rock, Howards Wells	Ruddel Shale
	USA, Arkansas, Searcy Co., Marshall town	Batesville Sdst.
	USA, Arkansas, Searcy Co., Marshall, 0.25 mls W of	Batesville Sdst.
	USA, Arkansas, Searcy Co., Marshall, 1.5 mls W of	Batesville Sdst.
	USA, Arkansas, Searcy Co., Silver Hill, Luther Arnold's Farm	Ruddel Shale