Heatherwick (Otterburn) - 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The information on this website is based on a range of published and unpublished works.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) DMV Research Group 11th Annual report 1963 No 73
(2) Aerial Photographs (RAF 1945 4282/3)
(3) Field Investigators Comments F1 BHP 17-DEC-1970
(4) Oral information, correspondence or staff comments, P F Ryder, 1994-5
(4a) Proceedings of the Society of Antiquaries of Newcastle 2nd series 8 1897 79