Production:3359

From ILMINES WIKI
year DMM# company production cumulative type depth seam thickness method days emplyees
1939 L-20 Sangamon Valley Coal Co. 8,691
1940 15,587
24,278
1941 Fred W. Othen 11,076 ug
11,076
1942 Sangamon Valley Coal Co. 3,827 ug
1943 4,129
1944 4,950
1945 5,526
1946 3,400
1947 400
22,232
57,586