You have no advanced search rows. Add one by clicking the '+ Add Row' button
Archive Number
6514560
Description
Black and white aerial photograph of Porthmadog taken by the Ordnance Survey on 21st May 1971 at an altitude of 7500 feet. Grid reference SH5639. Print enlargement (c. 20") taken from 9" film roll.
Collection Record
Ordnance Survey Vertical Aerial Photography Collection
Medium
Photo.
Originator
Ordnance Survey
Date
1971-05-21