| Archive Number: | 1997.04.0282 | |
| Title: | Polygonal wall beneath later course of Great Drain. | |
| Negative: | 7-510 | |
| Looking: | east | |
| Date: | June 1937 | |
| Rating: | 1 | |
| Section: | Ζ | |
| Storage: | Drawer 4 | |
| References: | Monument: Great Drain and Its Branches Image: 2012.26.0242 (7-510) |