Boundary stones on Peel Fell (Kielder) - 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The information on this website is based on a range of published and unpublished works.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) Long, B, 1988. List of Ancient Monuments - The Kielder Forests. Unpublished (Forestry Commission)
(2) Simpson, G, 2012. Archaeology not on Northumberland Database. Unpublished and unpaginated (1)