Locality	Layer
	Great Britain, England,Derbyshire, Alport Dale Borehole	1071 feet
	Great Britain, England,Derbyshire, Blackdale Mine	Marine Band,C.leion
	Great Britain, England,Lancashire, Whalley, Audley Clough	lowermost E1
	Great Britain, England,Lancashire, Wiswell, Light Clough	Lowermost E1, upper bed
	Great Britain, England,Lancashire, Wiswell, Light Clough	lowermost E1
	Great Britain, England,Northumberland, Greenleighton	Namurian base, E 1a
	Great Britain, England,Yorkshire, Barnoldswick, Weets Hill	lowermost E1
	Great Britain, England,Yorkshire, Skipton, Carla Beck	lowermost E1
	Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir	B
	Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir	C