Production:91830243
Appearance
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | Downing & Murkenson | 1,133 | drift | 60 | #7 | 6 | RP | 150 |
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | Downing & Murkenson | 1,133 | drift | 60 | #7 | 6 | RP | 150 |