Production:3813
| year | DMM | company | production | cumulative | type | depth | seam | thickness | method | days | emp |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1936 | Del Valley Coal Co., No. 3 | 50 | ug | 30 | 2 | ||||||
| 1937 | L-97 | 150 | 200 | ug | 30 | 3 | |||||
| 1937 | L-97 | Del Valley Coal Co., No. 3 | 315 | ug | 107 | 3 | |||||
| 1938 | L-97 | 1,200 | ug | 200 | 3 | ||||||
| 1939 | L-97 | 978 | ug | 163 | 4 | ||||||
| 1940 | L-97 | 2,100 | ug | 100 | 5 | ||||||
| 1941 | L-97 | 50 | 4,643 | ug | 20 | 3 | |||||
| 4,843 |