Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6065781
Disgrifiad
A handwritten descriptive note on Frongoch Lead Mine magazine (I). Includes pencil sketch plan and an isometric projection.
Cofnod Casglu
NMR Site Files
Cyfrwng
Text, Graphic.
Dyddiad
1983-09-14