Androscoggin County (Me.)

Primarily records of the treasurer's office of the Waterville, Maine, railroad company.

Monthly and annual reports, 1943-1949, of the Androscoggin Valley Herd Improvement Association based in Lewiston, Maine. Includes milk production and milk fat reports, as well as the popular column, "Twitterings by the Cowbird" by tester J. Wilmer Heisey, which contained news about member farms and commentary on dairy topics.

The Sewall Company Aerial Photographs collection, 1940 to circa 2014, consists of nearly 1 million aerial images donated by the James W. Sewall Co. in Old Town, Maine. The collection contains original aerial photography of Maine and New England, as well as a series of aerial photographs of Vietnam in 1966, captured by Sewall over the span of 65 years. In addition, nearly 100 boxes of maps and documentation are included.