Greenriggs possible Roman fort (Hartleyburn) - 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The information on this website is based on a range of published and unpublished works.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 aerial photographs (Ref: Museum of Antiquities, Newcastle NY6561A-B R Selkirk). Further details about looking at a copy of these photographs can be obtained from the home page.