Locality	Layer
	USA, Arkansas, Washington Co., Fayetteville, N of Washington Mountain	Fayetteville Shale, lower member
	USA, Arkansas, Washington Co., Fayetteville,2 mls E of,S slope East Mt.	Fayetteville Shale, lower part
	USA, Arkansas, Washington Co., West Fork, W of	Fayetteville Shale, upper member