Bronze Age Gold from Wales

Van or Wernddu Colliery, Caerphilly, plan of underground workings, June 1908. Scale 2 chains to an inch.

This plan is a true copy of the working plan of the mine as completed up to January 1908 and I hereby certify after thorough examination and enquiry, that to the best of my knowledge and belief this copy plan is an accurate plan of the mine, [?] Thomas June 1908.