Associated Mutual Insurance Companies. Arlington Mills "Hoosac Worsted Mills Dept." North Adams, Mass. Boston, Mass.: Associated Mutual Insurance Companies, 1921. Surveyed August 10, 1921. Surveyed by W. T. Brightman. 1 sheet. Includes plan of buildings (with dimensions), elevation views of individual buildings (with functions of building floors and rooms), isometric view of buildings, and surroundings. Also includes description of property, power and fuel, stock and product, and existing water sources and fire protection resources. Serial number 14586, replaces 10707 (original tracing). Index number 9964. Scale 1:600, 1 in. = 50 ft. 53.5 x 67 cm. (OCLC)