| 118450 | Facilities | 664351 | Application for Permit to use Earthen Pit | 158370 | 4/16/1985 | Download |
| 118450 | Facilities | 664352 | Diagram | 12041 | 4/16/1985 | Download |
| 118450 | Facilities | 664353 | Letter Excel to COGCC | 23797 | 4/16/1985 | Download |
| 118450 | Facilities | 1561460 | Pit Status Evaluation Form | 138285 | 3/6/2020 | Download |