| 117778 | Facilities | 697115 | Earthen Pit Permit | 29278 | 1/25/1979 | Download |
| 117778 | Facilities | 1426411 | Memo | 11925 | 5/8/1973 | Download |
| 117778 | Facilities | 697111 | Earthen Pit Permit | 30721 | 5/9/1973 | Download |
| 117778 | Facilities | 697116 | Attachments | 36691 | 1/25/1979 | Download |
| 117778 | Facilities | 697122 | Map | 105057 | 1/25/1979 | Download |
| 117778 | Facilities | 697112 | Site Diagram | 12533 | 11/1/1971 | Download |
| 117778 | Facilities | 697114 | Analytical Data | 24064 | 2/21/1972 | Download |
| 117778 | Facilities | 697118 | Letter from Champlin to COGCC | 66391 | 1/19/1979 | Download |
| 117778 | Facilities | 697107 | Inspection Report | 38660 | 9/9/1999 | Download |
| 117778 | Facilities | 1426413 | Notice of Inspection | 26245 | 6/7/1984 | Download |
| 117778 | Facilities | 697120 | Lease Inspection | 27046 | 5/28/1984 | Download |
| 117778 | Facilities | 1426412 | Lease Inspection | 17120 | 5/22/1985 | Download |