Keys to the Past

Zinc Mine at Willyhole (Harwood in Teesdale) - 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The information on this website is based on a range of published and unpublished works.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.

No. Originator(s) Date Title Notes
1 Wilcock, D 1996 to 1998 IRIS (Index Record for Industrial Sites) Survey Archive 83040
2 Wilcox, D 1997 Personal Comment by Don Wilcock 1997
3 Ordnance Survey 1856 to 1865 First Edition Ordnance Survey Map 1856-1865
4 Dunham, K. C 1990 The Geology of the Northern Pennine Orefield, Volume 1 TYNE to STAINMORE p. 241, 231