Production:0852
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1934 | Black Hawk Coal Co. | 583 | ug | 61 | 4 | ||||||
| 1935 | 3,400 | ug | 250 | 6 | |||||||
| 1936 | 4,500 | ug | 175 | 9 | |||||||
| 1937 | L-18 | 8,190 | ug | 280 | 12 | ||||||
| 1938 | L-18 | 6,822 | ug | 200 | 11 | ||||||
| 1939 | L-18 | 3,955 | ug | 140 | 9 | ||||||
| 1940 | L-18 | 3,691 | ug | 188 | 10 | ||||||
| 1941 | L-18 | 2,196 | ug | 137 | 5 | ||||||
| 1942 | L-18 | 406 | ug | 30 | 7 | ||||||
| 33,743 |