| 118056 | Facilities | 658542 | Letter: Follow up to Inspection | 24773 | 9/13/1984 | Download |
| 118056 | Facilities | 658544 | Response to Inspection Letter | 39778 | 6/15/1984 | Download |
| 118056 | Facilities | 658543 | Letter Impact Energy to COGCC | 14788 | 8/31/1983 | Download |
| 118056 | Facilities | 658540 | Response to Inspection Letter | 13817 | 10/11/1984 | Download |
| 118056 | Facilities | 658539 | Pit Inspection Form | 30952 | 7/8/1986 | Download |
| 118056 | Facilities | 658537 | Application for Permit to use Earthen Pit | 82206 | 4/19/1983 | Download |
| 118056 | Facilities | 658538 | Pit Inspection Form | 29854 | 7/8/1986 | Download |
| 118056 | Facilities | 658541 | Letter: Follow up to Inspection | 25024 | 10/1/1984 | Download |
| 118056 | Facilities | 2161204 | Pit Status Form | 1538105 | 8/17/2020 | Download |