Rhif Archif
6538312
Disgrifiad
Black and white aerial photograph of Letterston, taken by the Ordnance Survey on 17th August 1971, at an altitude of 7,250 feet. Grid reference SM9429. Print enlargement (c. 20") taken from 9" film roll.
Enw Casgliad
Ordnance Survey Vertical Aerial Photography Collection
Cyfrwng
Photo.
Cychwynnwr
Ordnance Survey
Dyddiad
1971-08-17