Ray Tongue coal workings (Kirkwhelpington; Corsenside) - 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The information on this website is based on a range of published and unpublished works.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) Prothero, D.H., 1994. A Survey of Kirkwhelpington and Ridsdale Areas, Northumberland, G2. This is an unpublished report. Further information can be obtained from here.