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Production:91830042b

From ILMINES WIKI
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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