Production:90995668

year	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp
1883	J. Robertson	Streator	3,000		shaft	40	#7	5.5		6 mo	8
1884	Hive & Robertson	Streator	4,360		shaft	47		4.5	RP	150	18
				7,360