Tillmouth Farm cropmark enclosure (Duddo) - 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The information on this website is based on a range of published and unpublished works.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) Externally held archive reference RCAHMS NMR Archive Card
1a) Aerial photograph Aps (XS/976-9 RCAMSAP 1982)
1b) Aerial photograph Aps (XS/815-6/CN (J Dewar 7258/CN/B2-3 1976))
2) Primary Record Card
3) https://www.pastscape.org.uk/hob.aspx?hob_id=1385207# accessed 20-FEB-2019
4) 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/]
4a) Oblique aerial photograph reference number NMR NT 8844/10 (16642/31) 02-AUG-1996