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BULWARK |
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| SN | Unspecified defensive structure like a mound of earth, a rampart, an embankment or a wall-like fortification. Also used as an early term for a bastion or blockhouse. Use more specific term where known. |
| CL |
DEFENCE |
| BT | FORTIFICATION |
| RT |
BLOCKHOUSE
GLACIS RAMPART SCARP
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