Production:0080

year	DMM	owner	tons	cumulative	opening	depth	seam	thick	method	days	emp
1900		Superior Coal Co.	0
1901		Borders Coal Co., No. 1	15,283							185	10
1902			40,500							176	30
1903			59,200							162	38
1904			86,050							185	50
1905			82,300							186	65
1906			72,575							163	65
1907			93,065							187	66
1908			79,073							137	72
1909			47,776							160	70
1910			62,820							175	80
1911			96,637							150	92
1912			64,218							109	80
1913			53,744							89	90
				853,241
1914		Forsythe Coal Co.	50,162							72	85
1915			14,186							24	80
				64,348
1916		Dozow Valley Mine	32,060							186	41
				32,060
1917		Forsythe Coal Co.	57,526		shaft	120	#6	6.5	RP	148	72
1918		Dozow Valley Mine	91,350		shaft	119	#6	7	RP	175	105
1919			62,287							127	83
				211,163
1920		New Marissa Coal Co.	64,933		shaft	119	#6	7	RP	137	90
1921			74,939		shaft	119	#6	7	RP	101	90
1922			64,131		shaft	119	#6	7	RP	111	110
				204,003
1923		Lyle Coal Co.	69,667		shaft	119	#6	7	RP	135	10
1924			83,014		shaft	119	#6	7	RP
1925			93,824		shaft	119	#6	7	RP	156	112
1925 b			20,570							33	101
1926			40,958		shaft	119	#6	7	RP	89	96
1927			66,730		shaft	100	#6	7	RP	117	93
1928			51,701		shaft	100	#6	7	RP	65	92
1929			33,965		shaft	100	#6	7	RP	59	96
1930			0
1931			0
				460,429
1932		Gill Coal Corp.	7,667		shaft	100	#6	7	RP	34	76
1933			35,966		shaft	100	#6	7	RP	80	105
1934			54,733		shaft	110	#6	7	RP	106	119
1935			45,666		shaft	110	#6	7	RP	86	115
1936			13,507		shaft	110		7	RP	42	63
1937	S-2		23,753		shaft	110	#6	7	RP	60	82
				181,292
				2,006,536