Rhif Archif
6065834
Disgrifiad
A typed descriptive account with a pencil sketch plan of Frongoch mine store.
Enw Casgliad
NMR Site Files
Cyfrwng
Text, Graphic.
Cychwynnwr
Mr Anthony J. Parkinson, RCAHMW
Dyddiad
1983-09-14 to 1984-09-21