United States National Register of Historic Places

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Maine - Area of significance: Communications

Castine Historic District
Curtis Island Light
Dover-Foxcroft Commercial Historic District
East Blue Hill Post Office
Gannett, Guy P., House
Lewiston Commercial Historic District
Limerick Upper Village Historic District
Old Post Office
Portland Breakwater Light
Portland Headlight
Portland Observatory
Russwurm, John B., House
U.S. Post Office
West Quoddy Head Light Station


Data from United States Park Service and Wikidata