Production:0078

year	DMM	operator	production	cumulative	opening	depth	seam	thickness	method	days	emp
1903		Superior Coal & Mng.	49,232		shaft	180	#6	7	RP	225	24
1904			109,199		shaft	180	#6	7	RP	250	90
1905			158,116		shaft	186	#6	6	RP	200	90
1906			148,909		shaft	186	#6	6	RP	210	100
1907			195,284		shaft	186	#6	6	RP	234	100
1908			153,797		shaft	186	#6	6	RP	178	100
1909			135,073		shaft	186	#6	6	RP	196	95
1910			117,734		shaft	186	#6	6	RP	165	76
1911			148,380		shaft	186	#6	6	RP	210	68
1912			158,622		shaft	160	#6	7	RP	206	62
1913			138,369		shaft	160	#6	7	RP	189	143
1914			105,813		shaft	160	#6	7	RP	138	132
1915			42,231		shaft	160	#6	7	RP	61	113
1916			134,151		shaft	160	#6	7	RP	176	112
1917			183,607		shaft	160	#6	6.5	RP	248	115
1918			197,967		shaft	16	#6	6	RP	277	138
1919			160,121		shaft	16	#6	6	RP	220	130
1920			149,416		shaft	16	#6	6	RP	205	138
1921			167,047		shaft	16	#6	6	RP	218	145
				2,653,068
1922		Perry Coal Co.,	120,423		shaft	16	#6	6	RP	154	142
1923		Superior Mine	135,684		shaft	160	#6	6	RP	184	139
1924			23,448		shaft	160	#6	6.5	RP
1925			0
1925b			0
1926			0
1927			10,732		shaft	160	#6	6.5	RP	81	10
1928			9,378		shaft	160	#6	6.5	RP	61	50
1929			59,212		shaft	160	#6	7.6	RP	262	46
1930			23,270							96	11
				382,147
				3,035,215