Locality	Layer
	USA, Kentucky, Rockcastle Co., Crab Orchard	Newman Fm.
	USA, Nevada, Nye Co., Pancake Range, Duckwater area	White Pine Shale
	USA, Nevada, White Pine Co., Snake Range, Murphy Wash	White Pine Shale
	USA, Oklahoma, Pontotoc Co., Highway 48, E side	Caney Shale
	USA, Texas, Llano Co., Llano River	Barnett Fm.
	USA, Texas, Llano Co., Moore Hollow area	Barnett Fm.
	USA, Texas, Mason Co., Mason, 8 mls SW of	Barnett Fm.
	USA, Texas, San Saba Co., San Saba, 2.5 mls SE of	Barnett Fm.
	USA, Texas, San Saba Co., San Saba, 7 mls E of	Barnett Fm.