Production:0152

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1908		Keystone-Big Muddy Coal Co.	Marion	4,658		slope	150	#6	6	RP	98	17
1909		Keystone-Big Muddy Coal Co., Keystone	Marion	22,032		slope	150	#6	6.5	RP	144	63
1910			Marion	28,742		slope	150	#6	6	RP	105	69
1911		Keystone-Big Muddy Coal & Coke Co., Keystone	Marion	59,372		slope	150	#6	6	RP	139	112
1912
1913
1914
1915
1916
1917					114,804
1918		Cameron Coal Co., Keystone	Marion	51,592							141	73
1919			Marion	85,746		slope	250	#6	6	RP	183	106
1920		Cameron Coal Co., No. 1	Marion	92,607		slope	250	#6	6	RP
1921		Cameron Coal Co.	Marion	131,050		slope					148	129
1922		Cameron Coal Co., No. 1	Marion	130,720		slope	250	#6	6	RP	94	181
1923		Cameron Coal Co., Keystone	Marion	173,521		slope	250	#6	6.25	RP	159	193
1924		Cameron Coal Co.	Marion	182,946	848,182	slope	249	#6	6.5	RP	124	278
1925		Wall Coal Co.	Marion	155,117		slope	249	#6	6.5	RP	95	303
1925b		Wall Coal Mining Co.	Marion	89,414							58	292
1926		Wall Coal & Mining Co.	Marion	94,068		slope	249	#6	6.5	RP	107	252
1927		Wall Coal Mining Co.	Marion	36,016	374,615	slope	250	#6	6.5	RP	130	33
1928		Cameron Coal Co.	Pittsburg	15,160	15,160	slope	250	#6	6.5	RP	30	164
1929		Illinois Hi-Grade Coal Co.	Pittsburg	67,082	67,082	slope	250	#6	6.5	RP	108	101
					1,419,843