Production:4097

From ILMINES WIKI
year DMM operator address production cumulative opening depth seam thickness method days emp
1931 Deep Vein Coal Co. Marion 1,055 ug 90 5
1932 Marion 2,000 ug 120 10
1933 not listed Marion
1934 Marion 831 ug 90 4
1935 Marion 250 4,136 ug 35 3