Production:3987

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1937	L-102	Pea Ridge Coal Co.	Carterville	400						ug	45	3
1938	L-102			400						ug	80	3
1939	L-102			483						ug	92	3
1940	L-102			492						ug	100	3
1941	L-102			250						ug	25	3
1942	L-102			150	2,175					ug	10	4