Keys to the Past

Collier's Dene old coal workings (Tillside) - 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The information on this website is based on a range of published and unpublished works.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) This site was seen on an aerial photograph (Ref: 1980 NU0931 E-O Museum of Antiquities Newcastle). Further details about looking at a copy of this photograph can be obtained from the home page.