Production:91830217b
year | DMM | operator | address | production | cumulative | opening | depth | seam | thickness | method | days | emp |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1904 | Henry J. Dettman, strip bank | Danville | 860 | surface | #7 | 6 | 150 | |||||
1905 | 600 | surface | #7 | 6 | 25 | |||||||
1,460 |
year | DMM | operator | address | production | cumulative | opening | depth | seam | thickness | method | days | emp |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1904 | Henry J. Dettman, strip bank | Danville | 860 | surface | #7 | 6 | 150 | |||||
1905 | 600 | surface | #7 | 6 | 25 | |||||||
1,460 |