Production:0934

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1976	S-23	Peabody Coal Co., Pit No. 6	Marissa	2,964,394			80	#6	6.5	strip
1977	S-13	Peabody Coal Co., Pit No. 6	Marissa	2,296,660			87	#6	6.5	strip
1978	S-23	Peabody Coal Co., Pit No. 6	Marissa	3,064,964			61	#6	6	strip
1979	S-23	Peabody Coal Co., Pit No. 6	Marissa	3,228,129			80	#6	6	strip	263	504
1980	S-23	Peabody, River King #6	Marissa	2,769,369			90	#6	6	strip	254	552
1981	S-23	Peabody, River King #6		2,121,408			90	#6	6	strip
1982	S-23	Peabody, River King #6		1,698,674			100	#6	6	strip
1983	S-23	Peabody, River King #6		438,402			75	#6	6	strip
1984	S-23	Peabody, River King #6		877,300			60	6 & 5	6 & 3	strip
1985	S-23	Peabody, River King #6		506,345			58 & 78	6 & 5	6.43 & 4.7	strip
1986	S-23	Peabody, River King #6		1,020,200			100	#6	5.33	strip
1987	S-23	Peabody, River King #6		1,247,100				#6	5.33	strip
1988	S-23	Peabody, River King #6		1,272,300			100	#6	5.33
1989	S-23	Peabody, River King #6		1,404,000				#6	5.7
1990				0
1991	S-23	Peabody, River King #6		1,446,676			100	#6	5.8
1992	S-23	Peabody, River King #6		800,019	27,155,940		98	#6	5.7