| Document Type | Document Title | Date | Remarks |
| Order | Order Image - Volume: 41 Page: 547 | 11/9/1987 | PRO. ORDER OWYHEE TUNNEL #1 APP. 62966 |
| Order | Order Image - Volume: 41 Page: 586 | 11/18/1987 | FINAL ORDER OWYNEE TUNNEL #1 APP. 62966 |
| Permit | Permit S50639 Image | 5/17/1989 | |
| Order | Order Image - Volume: 46 Page: 519 | 11/6/1992 | EXTENDED TIME LIMITS ON VARIOUS PERMITS |
| Certificate | Certificate 75821 Image | 9/28/1998 | |
| Certificate | Certificate 75821 Map | 9/28/1998 | |