Ring ditch south of Murton High Crags (Ord) - 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The information on this website is based on a range of published and unpublished works.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) This site was seen on an aerial photograph (Ref: Cambridge University 26/7/1972 BKC 50). Further details about looking at a copy of this photograph can be obtained from the home page.