Production:4311

year	DMM	operator	production	cumulative	opening	depth	seam	thickness	method	days	emp
1934		Old Grossman Mine	1,500							90	7
1935		Grossman Mine	576							122	2
1936			1,470							300	2
1937	L-40	Wilbert Grossman	1,056							250	2
1938	L-40		863							220	3
1939	L-40		610							240	2
1940	L-40		209	6,284						55	2