Cord rig plough marks, Grindon (Haydon) - 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The information on this website is based on a range of published and unpublished works.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) Bowden, M, Mackay, D and Topping, P, 1989. From Cornwall to Caithness. BAR-BS 209 (Oxford)(156)
2) Gates, T, 1999. The Hadrian's Wall Landscape from Chesters to Greenhead: an air photographic survey (NY86NW 42)
3) 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/]
3a) Oblique aerial photograph reference number NMR NY8169/9 (TMG 14749/21) 19-MAR-1994
3b) An Archaeological Map of Hadrian's Wall, 1:25,000 scale, English Heritage (2010)