Rhif Archif
6134960
Disgrifiad
RCAHMW colour slide oblique aerial photograph of a section of Sarn Helen north-east of Coelbren Fort, Ystradfellte, taken on 26/07/1999 by Toby Driver
Enw Casgliad
RCAHMW Colour Oblique Aerial Photographs
Cyfrwng
Photo.
Cychwynnwr
Toby G. Driver, RCAHMW
Dyddiad
1999-07-26