Production:91830314
(Redirected from Production:1830314)
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918 | Guy H. Smith | 1,100 | 150 |
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918 | Guy H. Smith | 1,100 | 150 |