Ridsdale western calcining kilns (Birtley) - 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The information on this website is based on a range of published and unpublished works.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) MPP Iron Mining Industry Site Assessment
2) Frodsham, P, 2020. Redesdale Lidar Landscapes. Project Report. Unpublished report for the Revitalising Redesdale Landscape Partnership and Northumberland National Park Authority (site 888439)