Fort Mansfield
E1803028
UNEXPLORED
Fort Mansfield was a coastal artillery fortification on Fishers Island, New York, that formed part of the early 20th-century U.S. coastal defense system guarding the approaches to Long Island Sound.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Mansfield canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.