Production:2679

From ILMINES WIKI
year DMM operator address production cumulative opening depth seam thickness method days emp
1934 Starved Rock Coal & Mng. Co. Utica 4,040 surface 84 19
1935 15,383 surface 103 20
1936 15,065 surface 82 16
1937 L-4 4,038 38,526 surface 20 12