Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6065915
Disgrifiad
An Ordnance Survey map showing the site plan of Frongoch Lead Mine.
Cofnod Casglu
NMR Site Files
Cyfrwng
Cartographic.
Cychwynnwr
Ordnance Survey