Locality	Layer
	USA, Missouri, Randolph Co., Renick, MID-20	Excello Fm. (Excello shale mb.)
	USA, Oklahoma, Rogers Co., Rogers Co., sec.3, T.23N., R.17E.	Excello Shale
	USA, Oklahoma, Rogers Co., Rogers Co.,secs.23,24,25,36, T.24N.,R16E	Excello Shale