Locality	Layer
	USA, Alaska, Brooks Range, Kiruktagiak River, 13mls SW junct.,10864	black chert in Alapah Lst.
	USA, Arkansas, Boone Co., Pilot Mt. 3.5 mls SW of Valley Springs	Brentwood Lst.
	USA, Arkansas, Conway Co., Morrilton, W of Arkansas River	middle Atoka Fm.
	USA, Arkansas, Independence Co., Batesville vicinity	Ruddell Shale
	USA, Arkansas, Scott Co., Boles, near	upper Johns Valley Shale
	USA, Illinois, LaSalle Co., La Salle	LaSalle Fm.
	USA, Illinois, Monroe Co., Monroe City	St. Louis stage
	USA, Illinois, Sangamon Co., Springfield	Upper Coal Measures
	USA, Indiana, Brown County, unrecorded	Coal Measures ?
	USA, Indiana, Brown County, unrecorded	Coal Measures,unrecognised
	USA, Indiana, Brown County, unrecorded	Knobstone Group
	USA, Indiana, Brown County, unrecorded	Middle Coal Measures
	USA, Indiana, Brown County, unrecorded	Middle Coal Measures, Des Moines Fm.
	USA, Indiana, Brown County, unrecorded	Upper Coal Measures
	USA, Indiana, Carroll Co., Lexington	Cherokee Fm.
	USA, Indiana, Clark County, Clark Co., unrecorded	Knobstone Formation
	USA, Indiana, Floyd Co., New Albany	Lower Carboniferous
	USA, Indiana, Jackson Co., Rockford	Rockford Limestone
	USA, Indiana, Putnam Co., Greencastle	St. Louis stage
	USA, Iowa (undifferentiated), Burlington	Wassonville Lst., between Oolith + Buff
	USA, Iowa (undifferentiated), Des Moines	Middle Coal Measures
	USA, Iowa, Wapello Co., Alpine S of Ottumwa	probably lower Cherokee Fm.
	USA, Kansas, Osage	Upper Coal Measures
	USA, Kansas, Willow Spring, Santa Fé road	Upper Coal Measures
	USA, Kentucky, Edmonson Co., Nolin	Middle Coal Measures
	USA, Kentucky, Rockcastle Co., Crab Orchard	Newman Fm.
	USA, Michigan, Calhoun County, Battle Creek	Marshall Sandstone
	USA, Michigan, Calhoun County, Marshall	Marshall Sandstone
	USA, Michigan, Hillsdale County, Moscow	Marshall Sandstone
	USA, Michigan, Huron County, Pointe Aux Barques	Marshall Sandstone
	USA, Michigan, Jackson County, Napoleon Cut	Marshall Sandstone
	USA, Missouri, Cooper County, Cooper Co., unrecorded	"Chemung"
	USA, Missouri, Kansas City, Brush Creek	Upper Coal Measures
	USA, Missouri, Kansas City, Dovers Landing	Upper Coal Measures
	USA, Missouri, Kansas City	Kansas City Fm.
	USA, Missouri, Missouri, unrecorded	Chouteau Limestone
	USA, Missouri, Pettis County, Pettis Co., unrecorded	Chouteau Limestone
	USA, Missouri, Pettis County, Pin Hook bridge	Chouteau Limestone
	USA, Missouri, Pettis County, Sedalia, 3.5 mls north of	Chouteau Limestone
	USA, Missouri, Pettis County, Sedalia, 6 mls from	Chouteau Limestone
	USA, Missouri, Pike County, Louisiana	Louisiana Limestone, clay partings
	USA, Missouri, Wright County, Cedar Gap	Chouteau Formation, Northview Member
	USA, Nevada, White Pine Co., Eberhardt Mill	White Pine Shale
	USA, Ohio, Guernsey County, Cambridge	Conemaugh Fm.
	USA, Ohio, Guernsey County, Cambridge	Tournaisian
	USA, Ohio, Licking County, Newark	Waverly Group (poss. lower Logan)
	USA, Ohio, Medina County, Weymouth	Waverly Group, 80feet below conglomerate
	USA, Ohio, Scioto County, Sciotoville	Upper Waverly Group
	USA, Oklahoma, Carter Co., Caddo Village 6mls N of Ardmore	Hale Fm., Prairie Grove Member
	USA, Texas, Baylor Co., La Paloma, 1.5 mls SE, Big Wichita Riv.	Clyde Fm.
	USA, Texas, Graham	Graham Fm.
	USA, Texas, Lampasas Co., Lampasas, 5 mls W of	Barnett Fm.
	USA, Texas, San Saba Co., Bend, 1 ml SW of	Smithwick Shale
	USA, Texas, San Saba Co., San Saba, 2.5 mls SE of	Barnett Fm.
	USA, Texas, San Saba Co., Wallace Creek	Smithwick Shale
	USA, Texas, Tom Green Co., San Angelo	Clyde Fm.
	USA, Texas, Young Co., Graham, 1 ml SE of, Mars Hill	Graham Fm.