Third System masonry fort

E965158 UNEXPLORED

A Third System masonry fort is a large 19th-century U.S. coastal defense structure built primarily of brick and stone as part of a standardized federal fortification program.

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Label	Occurrences
Third System masonry fort canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Fort Macon → architecturalStyle → Third System masonry fort ⓘ