| 109709 | Facilities | 684770 | Plat & Notes | 47888 | 4/16/1987 | Download |
| 109709 | Facilities | 684769 | Pit Inspection Form | 30347 | 10/28/1986 | Download |
| 109709 | Facilities | 684768 | Earthen Pit Permit w/Attachments | 208657 | 11/28/1979 | Download |
| 109709 | Facilities | 1425735 | Letter from COGCC to Frank Walsh | 41468 | 8/10/1978 | Download |