Rhif Archif
6431384
Disgrifiad
Photo survey of Pont Mwnwgl-y-Llyn, Bala, consisting of 4 black and white prints.
Enw Casgliad
Investigators' Photographs
Cyfrwng
Photo.
Cychwynnwr
RCAHMW
Dyddiad
c. 1971 to 1981