The Portland Waterfront Historic District was listed in the National Register of Historic Places on May 2, 1974 for its significance at the local level in the areas of Architecture, Commerce, Transportation and Urban Planning (Community Planning and Development).
The Blackjack is a single-masted, Friendship sloop designed and built in 1900 by Wilbur Morse in Friendship, Maine. The ship is now berthed at the Sail, Power and Steam Museum in Rockland, Knox County, Maine. Designed as a 33' fishing sloop, she was used in various fisheries and occasionally as a coastal trader for thirty-five years before being converted to a personal yacht in 1935.
The Vassalboro Mill is a brick woolen mill located in Vassalboro, Kennebec County, Maine. The mill is in the village of North Vassalboro along Outlet Stream which powered the mill. The predominately three- and four-story buildings with low-slope roofs were constructed between 1861 and 1955 and reflect the prosperity and expansion of the textile industry locally and more widely throughout New England during the period.
The ninety-one building Sagamore Village public housing complex is eligible for the National Register at the local level of significance. It is significant under Criterion A: Politics/Government for association with the 1940 Lanham Act, passed by Congress in 1940 to facilitate expanded national defense activities, including the creation of housing for defense workers.
The West Auburn School is in the rural northwest section of the City of Auburn, Androscoggin County, Maine. The gable-front, Greek Revival-style schoolhouse is significant at the local level under Criterion A for its association with patterns of education and under Criterion C for the distinctive architectural characteristics of a rural one room schoolhouse.
The Dunn & Elliot Sail Loft is a large two-story, gable-front braced frame building on the waterfront in Thomaston, Knox County, Maine. The loft is significant under Criterion A for industry and maritime history at the local level. The Sail Loft represents a less well known support industry that was central to maintaining sailing ships.
Surry Village School is a two-story, two-room schoolhouse located in Surry, Hancock County, Maine. The gable-front, Italianate-style building is significant at the local level under Criterion A for its association with patterns of education. The building is the largest school constructed in Surry prior to the 1952 construction of the Surry Elementary School.
The West Auburn School is in the rural northwest section of the City of Auburn, Androscoggin County, Maine. The gable-front, Greek Revival-style schoolhouse is significant at the local level under Criterion A for its association with patterns of education and under Criterion C for the distinctive architectural characteristics of a rural one room schoolhouse. The building represents the typical response to evolving educational practices which were often recommended if not mandated by the State of Maine.
The Otisfield Town Pound is near the geographic center of Otisfield, Oxford County, Maine. The stone animal enclosure is near the early settlement centered on Bell Hill and is the only known pound for the town. Construction of the pound was approved at the 1818 town meeting, and it was constructed by the first pound keeper Stephen Knight in 1819.
The Farwell Brothers Store is a functionally related group of three commercial buildings located along the Belfast and Moosehead Lake Railroad line in the Town of Thorndike, Waldo County, Maine. The store was built ca. 1872 and served the community from then until 1960 as a general store with the mill building added ca. 1915 and the lumber shed added ca. 1920. The store was owned by O. J.