| 117826 | Facilities | 383483 | Letter from Joe Mechalke to COGCC | 11463 | 4/6/1977 | Download |
| 117826 | Facilities | 383478 | Memo | 22956 | 10/26/1977 | Download |
| 117826 | Facilities | 383484 | Letter from Joe Mechalke to COGCC | 12712 | 11/22/1976 | Download |
| 117826 | Facilities | 383482 | Letter from Samuel McClaren to COGCC | 31745 | 8/18/1977 | Download |
| 117826 | Facilities | 383487 | Pit Inspection | 31093 | 8/13/1986 | Download |
| 117826 | Facilities | 383474 | Response to Notice of Inspection | 30248 | 10/21/1976 | Download |
| 117826 | Facilities | 383476 | Letter from Joe Mechalke to COGCC | 43125 | 12/30/1977 | Download |
| 117826 | Facilities | 383486 | Lease Inspection | 29723 | 3/11/1985 | Download |
| 117826 | Facilities | 383477 | CORRESPONDENCE | 7000 | 12/30/1977 | Download |
| 117826 | Facilities | 383473 | Memo | 22087 | 2/7/1974 | Download |
| 117826 | Facilities | 1426564 | Invoice | 12853 | 4/15/1977 | Download |
| 117826 | Facilities | 383472 | Earthen Pit Permit | 29804 | 3/22/1974 | Download |
| 117826 | Facilities | 383480 | Letter from Samuel McClaren to COGCC | 24774 | 10/5/1977 | Download |
| 117826 | Facilities | 383485 | Letter from COGCC to Joe Mechalke | 32062 | 4/13/1978 | Download |
| 117826 | Facilities | 1426563 | Site Diagram | 6379 | 11/12/1973 | Download |
| 117826 | Facilities | 383488 | Plat | 18527 | 6/21/1999 | Download |
| 117826 | Facilities | 383489 | PRODUCTION REPORT | 102726 | 6/30/1976 | Download |
| 117826 | Facilities | 383475 | Analytical Data | 56338 | 11/12/1973 | Download |
| 117826 | Facilities | 383481 | Memo | 20303 | 8/25/1977 | Download |
| 117826 | Facilities | 383479 | Letter from Samuel McClaren to COGCC | 30555 | 10/18/1977 | Download |