Penannular enclosure (Blyth) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
1) Harding, A F with Lee, G E, 1987. Henge Monuments and Related Sites of Great Britain. Brit Archaeol Rep Brit Ser 175 (202)
2) Aerial photograph NZ/2781/6 10-AUG-1972
3) Next Perspectives APGB Imagery NZ2781 01-JUN-2009