| 118391 | Facilities | 1499608 | Letter from Beren Corp to COGCC | 11643 | 2/4/1981 | Download |
| 118391 | Facilities | 383418 | Notice of Inspection | 28138 | 3/18/1985 | Download |
| 118391 | Facilities | 383420 | Lease Inspection Form | 23611 | 2/21/1985 | Download |
| 118391 | Facilities | 383416 | Application for Earthen Pit Permit | 192716 | 4/17/1981 | Download |
| 118391 | Facilities | 383417 | Lease Inspection Form | 31848 | 2/27/1985 | Download |
| 118391 | Facilities | 383419 | Lease Inspection Form | 24849 | 9/11/1984 | Download |
| 118391 | Facilities | 1499607 | Letter from COGCC to Beren Corp | 30562 | 1/30/1981 | Download |
| 118391 | Facilities | 383421 | Pit Inspection Form | 30650 | 6/24/1986 | Download |
| 118391 | Facilities | 2161162 | Pit Status Form | 1520773 | 6/18/2020 | Download |