Production:3544

From ILMINES WIKI
year DMM operator production cumulative opening depth seam thickness method days emp
1931 Roma Coal Co. 1,000 125 3
1,000
1932 Marin Piana 1,467 175 4
1933 1,500 175 4
2,967
1934 Roma Coal Co. 1,050 200 3
1,050
5017
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