Production:1830029c

year	DMM	operator	production	cumulative	opening	depth	seam	thickness	method	days	emp
1885		Joseph McBroom	1,200		surface					80
1886			1,200		surface		#7			112
1887			5,000		surface	12	#7	6		100
1888			4,120
				11,520
1889		John McBroom	2,400		surface
				2,400
				13,920