Locality	Layer
	Collinsville	Missourian
	Collinsville, OKD-02	Holdenville Fm., Nuyaka Creek shale bed
	Collinsville, S of, T.22N., R.14E.	Seminole Fm., just above Dawson coal
	Lake Sahoma, OKM-06	Iola Fm., Muncie Creek mb., Ochelata gr.
	Lake Sahoma, OKM-19	Nellie Bly Fm., lower
	Prattville, 6,8 km W of Hwy.97 and 41st	Iola Fm., Muncie Creek Shale
	Sand Springs, 6.5 mls W of	Nellie Bly Fm.
	Sapulpa N 7 1/2",center NW1/4 sec.11	Coffeyville Fm.,basal Tacket shale
	Tulsa Co., sec.9, T.19N., R.10E.	Kanwaka Fm.
	Tulsa,S.	Coffeyville Fa.,Tacket Shale
	Wekiwa, OKM-08	Iola Fm., Muncie Creek mb., Ochelata gr.