Production:91830363
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1921 | William Aldredge | 300 | 100 | 3 |
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1921 | William Aldredge | 300 | 100 | 3 |