Production:1830016b

From ILMINES WIKI
year DMM operator production cumulative opening depth seam thickness method days emp
1884 B. Bensel 1,000 surface 150
1885 2,000 drift 30 #7 5.5 RP 200
1886 900 drift 40 #7 5.5 RP 260
1887 1,760 drift 40 #7 5.5 RP 200
1888 1,600 220
7,260