| Archive Number: | 1997.17.0083 | |
| Title: | Tunnel east of Room 3A. Scarp under southeast manhole. | |
| Negative: | 86-604 | |
| Looking: | south | |
| Date: | 23 Apr 1971 | |
| Notebook Page: | 2760 | |
| Rating: | 1 | |
| Section: | Ω | |
| Storage: | Drawer 17 | |
| References: | Monument: Omega House Image: 2012.58.0481 (86-604) Notebook: Ω-14 |