Rhif Archif
6142775
Disgrifiad
RCAHMW colour slide oblique aerial photograph of Sarn Helen, Pen-y-Stryd to Dolgain, Trawsfynydd, taken by C.R.Musson on the 25/05/1997
Cofnod Casglu
RCAHMW Colour Oblique Aerial Photographs
Cyfrwng
Photo.
Cychwynnwr
Musson, RCAHMW
Dyddiad
1997-05-25
Arolwg / Survey