| Document Type | Document Title | Date | Remarks |
| Permit | Permit S18861 Image | 3/15/1950 | |
| Order | Order Image - Volume: 7 Page: 154 | 4/13/1951 | EXTENDING TIME LIMITS UNDER PERMIT 18861 IN NAME OF PARKS DEPT. OREGON STATE HIGHWAY COMMISSION |
| Order | Order Image - Volume: 8 Page: 517 | 4/30/1956 | EXTENSION OF TIME ON CERTAIN PERMITS |
| Certificate | Certificate 31629 Image | 6/15/1964 | |
| Certificate | Certificate 31629 Map | 6/15/1964 | |
| Order - Correcting | Ownership Update | 6/26/2024 | |