| 116842 | Facilities | 706801 | Lease Inspection | 20226 | 10/22/1986 | Download |
| 116842 | Facilities | 706800 | Letter from Trek Exploration to COGCC | 23947 | 3/21/1990 | Download |
| 116842 | Facilities | 706799 | Pit Inspection | 28847 | 3/7/1986 | Download |
| 116842 | Facilities | 2087629 | PIT EVALUATION FORM | 1759389 | 7/16/2020 | Download |