Production:4051

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1937	L-48	Zeiglers Coal Co.	Marion	200	200					ug	25	6
1938	L-48	Lauder & Hausman		250	250					ug	30	5
1938	L-48	Black Crystal Coal Co.		1,705						ug	203	6
1939	L-48			3,490						ug	125	13
1940	L-48			4,264						ug	145	10
1941	L-48			2,592						ug	150	6
1942	L-48			2,375	14,426					ug	140	6
1942	L-48	Wilkins Coal Co.		4,547						ug	39	12
1943	L-48			52,683						ug	240	36
1944	L-48			11,648	68,878	slope	70	#6	7.5	RP	57	32
1944	L-48	Equator Coal Co.		2,113						ug	90	11
1945	L-48			35,199						ug	228	25
1946	L-48			40,394		slope	70	#6	8	RP	173	36
1947	L-48			33,194	110,900	slope		#6	8	RP	174	26
					194,654