Ramsey Cleugh bell pits (Rochester and Byrness) - 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The information on this website is based on a range of published and unpublished works.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, 118 and 121 no. 586. This is an unpublished report. Further information can be obtained from here.
(2) Miller, H.L., 1887. Geology of the Country Around Otterburn and Elsdon. Memoirs of the Geological Survey England and Wales (London), 60, 123 and 138.