Topographic survey of the north part of the Bolingbroke Castle site showing the gatehouse, bridge and northern earthworks, with an inset detail plan showing the location of a masonry nail in the concreted entrance area
- Date:
- 1 Jun 1983 - 13 Jul 1983
- Location:
- Bolingbroke Castle, Moat Lane, Bolingbroke, Old Bolingbroke, East Lindsey, Lincolnshire
- Reference:
- MP/BBK0018
- Type:
- Measured Survey