Production:3738

From ILMINES WIKI
year DMM company production cumulative type depth seam thickness method days emp
1939 L-197 Markunas Coal Co. 85 ug 20 3
1940 L-197 17,932 ug 185 6
1941 L-197 8,962 ug 259 12
1942 L-197 8,876 ug 214 7
1943 L-197 4,438 40,293 ug 170 6
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