Production:91830156
year | DMM | operator | address | production | cumulative | opening | depth | seam | thickness | method | days | emp |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1894 | John Beard | Danville | 550 | surface | 12 | #7 | 6 | 60 |
year | DMM | operator | address | production | cumulative | opening | depth | seam | thickness | method | days | emp |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1894 | John Beard | Danville | 550 | surface | 12 | #7 | 6 | 60 |