Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6482432
Disgrifiad
Black and white photo survey showing Pwll Du Tunnel, north portal, taken by Iain Wright, 23rd January 1992.
Cofnod Casglu
NMR Site Files
Cyfrwng
4 photos. Photo.