Locality	Layer
	USA, Iowa (undifferentiated), Amana	Givetian or Frasnian
	USA, Maryland, Corriganville	Jennings Fm.
	USA, New York (undifferentiated), Spezzano's Gully (=Peterson's Gully)	Leicester Pyrite
	USA, New York (undifferentiated), Taunton Gully	Leicester Pyrite
	USA, New York, Livingstone Co., Leicester (Moscow)	Leicester Pyrite
	USA, New York, Livingstone Co., Paterson's Creek	Leicester Pyrite
	USA, New York, Ontario Co., Black Point, Canandaigua Lake	Leicester Pyrite
	USA, New York, Ontario Co., Canandaigua Lake, near	Leicester Pyrite
	USA, Ohio, Lucas County, Silica, Medusa N.Quarry	Silica Fm.
	USA, West Virginia, Gilpintown W of Burlington	Naples Fm.