Locality	Layer
	Poland, Lublin Coal Basin, Niedrzwica 2 borehole	G1
	Poland, Lublin Coal Basin, Niedrzwica 2 borehole	G2
	Poland, Lublin Coal Basin, Niedrzwica 2 borehole	R2
	Poland, Lublin Coal Basin, Niedrzwica 3 borehole	G1
	Poland, Lublin Coal Basin, Niedrzwica 3 borehole	G2
	Poland, Lublin Coal Basin, Niedrzwica 3 borehole	R2
	Poland, Lublin Coal Basin, Opole Lub. 5 borehole	G1
	Poland, Lublin Coal Basin, Opole Lub. 5 borehole	G2