These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Amgueddfa Cymru – Museum Wales
Section of Cwmystwyth Mine Scale 1":20' or 1:240. Taken N-S along Level Fawr to show Kingside Adit May Adit and workings 60 feet above vertical scale as horizontal scale. 22.11.71 Simon JS Hughes
