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The information on this website is based on a range of published and unpublished works.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.
|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|