View of the Treharris coal mining area, in 1906.
Deep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
The Deep Navigation Colliery, in 1906. Vintage picture postcard, published by the William's Series, London. The card was sent on 6 September 1906 from Treorchy to Vienna.
The Deep Navigation Colliery miners produced world class millerite specimens!
G. Grundmann collection.
© William's Series, London.