Production:6840

From ILMINES WIKI
year operator address production cumulative opening depth seam thickness method days emp
1936 Spring Lake Coal Co. Streator 2,990 surface 62 11
1937 10,110 surface 173 6
1938 10,295 surface 191 7
1939 7,724 surface 136 7
1940 5,418 36,537 surface 93 7
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