Copy of a labelled photogrammetric survey sheet showing Birdoswald Roman Fort's south-west angle tower, with an exterior elevation of the north wall, and a plan
- Date:
- Nov 1991
- Location:
- Birdoswald Roman Fort, Waterhead, Carlisle, Cumbria
- Reference:
- MP/BIR0067
- Type:
- Photogrammetric Survey