Locality	Layer
	Great Britain, England,Devonshire, Manor Hotel, Lydford Station	do IV
	Great Britain, England,Devonshire, Marytavy Church, 680 yards NW of	Marytavy Beds
	Great Britain, England,Devonshire, South Brentor Farm	South Brentor Beds
	Great Britain, England,Devonshire, South Brentor quarries, 350 yards N of	North Brentor Beds