Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6065856
Disgrifiad
A typed descriptive account with a pencil sketch plan of Frongoch mine engine house.
Cofnod Casglu
NMR Site Files
Cyfrwng
Graphic, Text.
Cychwynnwr
Mr Anthony J. Parkinson, RCAHMW
Dyddiad
1984-07-13 to 1984-09-21