Production:4095

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1948	L-190	New Black Crystal	Marion	371						ug	20	5
1949		New Black Crystal Coal Co.	Marion	15,034	15,405	slope	120	#5	4.17	RP	154	23
1950		Black Crystal Coal Co., No. 1	Marion	44,432		slope	120	#5	4.17	RP	187	35
1951		Black Crystal Coal Co.	Marion	23,776		slope	120	#5	4.17	RP
1952			Marion	12,477	80,685	slope	120	#5	4.17	RP
1953		New Black Crystal Coal Co.	Marion	30,381		slope	120	#5	4.17	RP	174	33
1954			Marion	41,159	71,540	slope	120	#5	4.33	RP	171	33
1955		Black Crystal Coal Co.	Marion	38,031		slope	120	#5	4.17	RP	156	41
1956			Marion	24,542		slope	120	#5	4.17	RP
1957			Marion	12,725		slope	120	#5	4.17	RP
1958			Marion	10,315	85,613	slope	120	#5	4.17	RP
1959		New Black Crystal Coal Co., No. 1	Marion	15,027	15,027	slope	120	#5	4.17	RP
1960		Black Crystal Coal Co.	Marion	13,107		slope	120	#5	4.17	RP
1961			Marion	10,467		slope	120	#5	4.17	RP
1962			Marion	14,100						ug	136	27
1963			Marion	12,473						ug	120	27
1964			Marion	8,886						ug	84	22
1965			Marion	4,707						ug	29	5
1966			Marion	2,369	66,109					ug	24	24
					334,379