Cord rig east of Little Crag (Newbrough and Fourstones) - 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The information on this website is based on a range of published and unpublished works.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) Gates, T, 1999. The Hadrian's Wall Landscape from Chesters to Greenhead: an air photographic survey (NY87SW AT)
2) This record includes National Record of the Historic Environment Information provided by Historic England on 4 January 2021 licensed under the Open Government Licence [http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/]
2a) Vertical aerial photograph reference number CUCAP RC8CP 220 09-MAY-1978