USGS7; Stratigraphic Contacts and Named/Unnamed Units					
Formation/Group	Stratigraphic unit	Top (ft)	Depth (ft)	Thick (ft)	Elevation (ft)
Conemaugh Group.		0.00	139.10	139.10	1233.73
Allegheny Formation		139.10	458.47	319.37	1094.63
	Upper Freeport coal bed	139.08	141.02	1.94	1094.65
	No 6 Block coal bed	179.20	180.00	0.80	1054.53
	Upper No 5 Block coal bed	240.55	241.70	1.15	993.18
	No 5 Block coal bed	320.71	327.16	6.45	913.02
	Little No 5 Block coal bed	375.81	376.40	0.59	857.92
	Stockton A coal bed	410.15	411.07	0.92	823.58
Kanawha Formation		458.47	570.00	111.53	775.26
	Stockton upper split	458.47	458.80	0.33	775.26
	Stockton middle split	469.19	469.33	0.14	764.54
	Stockton lower split	474.33	476.40	2.07	759.40
	Coalburg coal bed	535.88	538.85	2.97	697.85