ILMines (Coal Mine) Viewer should still be available at this (Link)
Production:2739
| year | DMM | operator | address | production | cumulative | opening | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1935 | Dennis Hamilton | Streator | 152 | ug | 100 | 2 | ||||||
| 1936 | 9 | 128 | ug | 80 | 3 | |||||||
| 1937 | L-9 | 154 | ug | 92 | 3 | |||||||
| 1938 | L-9 | 70 | 504 | ug | 32 | 2 |