Labelled photogrammetric survey sheet showing the west wall of Birdoswald Roman Fort, with eight elevations of the interval tower, two elevations of the lean-to, and a key plan
- Date:
- Nov 1986 - 10 Jan 1992
- Location:
- Birdoswald Roman Fort, Waterhead, Carlisle, Cumbria
- Reference:
- MP/BIR0052
- Type:
- Photogrammetric Survey