Production:1830042b

From ILMINES WIKI
year DMM operator address production cumulative opening depth seam thickness method days emp
1884 A. S. Williams Danville 4,500 surface
1885 5,000 surface 75
1886 2,500 surface 6 100
1887 3,468 surface 10 #7 6.5 96
1888 3,500
18,968