Production:91830173a

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1896		Danville Brick & Tile Co.	Danville	3,000		surface	14		6		180
1897				7,100		surface	12		5.5		280
1898				8,000		surface	12	#7	5.5		150
					18,100