Locality	Layer
	USA, Texas, Hudspeth Co., Marble Canyon, 0.25 ml N of	Smithwick Shale
	USA, Texas, Mason Co., Mason, 8 mls SW of	Barnett Fm.
	USA, Texas, Mason Co., Mill Creek	Marble Falls Lst.
	USA, Texas, McCulloch Co., Rochelle, 3.5 mls E of	Smithwick Shale
	USA, Texas, San Saba Co., Algerita, 4.5 mls SW of	Smithwick Shale
	USA, Texas, San Saba Co., Algerita, 4.5mls SE of Richlands Springs	Smithwick Shale
	USA, Texas, San Saba Co., Bend, 1 ml SW of	Smithwick Shale
	USA, Texas, San Saba Co., Leonard Ranch	Barnett Fm.
	USA, Texas, San Saba Co., San Saba, 2.5 mls SE of	Barnett Fm.