Ironstone Working (Hepple) - 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The information on this website is based on a range of published and unpublished works.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) Charlton, D B and Day, J C, 1977. An Archaeological Survey of the Ministry of Defence training Area, Otterburn, Northumberland. Unpublished (127-8 no 621)