Cofnod Archif

6514587

Black and white aerial photograph of Trefor taken by the Ordnance Survey on 21st March 1973 at an altitude of 8000 feet. Grid reference SH3746. Print enlargement (c. 20") taken from 9" film roll.

Ordnance Survey Vertical Aerial Photography Collection

Photo.

Ordnance Survey

1973-03-21