Union Army fortification
C52100
concept
A Union Army fortification is a defensive military structure, such as an earthwork, fort, or entrenchment, constructed and used by United States forces during the Civil War to protect troops, control territory, and support offensive and defensive operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union Army fortification canonical | 2 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| Fort Mahan | — |
| Battery Ricketts | — |