Sheet of photogrammetric drawings showing elevations M to O of the interior of Aydon Castle's north-east curtain wall at the outer courtyard and orchard, and the north and south ends of south-east curtain wall, for reproduction
- Date:
- 1988 - 1990
- Location:
- Aydon Castle, Corbridge, Aydon, Northumberland
- Reference:
- MP/AYD0185
- Type:
- Photogrammetric Survey