Production:3856

year	DMM	company	production	cumulative	type	depth	seam	thickness	method	days	emp
1937	L-64	W. E. Williams, No. 2	330						ug	44	3
1938	L-64		204						ug	50	3
1938	L-64	W. E. Williams, No. 2	305						ug	50	3
				839