Production:91830029a
| year | DMM | operator | production | cumulative | opening | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1879 | Joseph McBroom & Hiram Jerks | 5,000 | surface | 6 | 5.5 | 10 mo |
| year | DMM | operator | production | cumulative | opening | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1879 | Joseph McBroom & Hiram Jerks | 5,000 | surface | 6 | 5.5 | 10 mo |