Production:2727

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1942	L-55	Streator Drain Tile Co.	Streator	1,013						surface	50	2
1943	L-55			594						surface	25	2
1944	L-55			571						surface	50	2
1945	L-55			216						surface	29	3
1946	L-55			320						surface	311	3
1947	L-55			50						surface	50	4
1948	L-55			758						surface	64	2
1949	L-55			642						surface	102	3
1950	L-55			915						surface	109	2
1951	L-55			196						surface	25	2
1952	L-55			355						surface	35	2
1953	L-55			1,065						surface	93	3
1954	L-55			1,144						surface	112	2
1955	L-55			485						surface	112	2
1956	L-55			840						surface	74	2
1957	L-55			1,078						surface	106	2
1958	L-55			746						surface	81	2
1959	L-55			1,181						surface	103	3
1960	L-55			101	12,270					surface	16	2
1960	L-55	Streator Clay Pipe Co.		42						surface	4	2
1961	L-55			205	247					surface	27	4
					12,517