Ordnance Survey Plans NZ 0468 and 0568: Showing the stretch of Hadrian's Wall containing Milecastle 18 and turrets 17a, 17b and 18A
- Date:
- 1 May 1968
- Location:
- Ordnance Survey Plan Nz 0568, Northumberland
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Ordnance Survey Plan Nz 0468, Northumberland
- Reference:
- MD002827
- Type:
- Map (Antiquity Model)