This layer is a georeferenced raster image of the historic paper map entitled: Region G (Merrimack Valley and MAPC North) : functional classification of highways / prepared by Massachusetts Department of Public Works, Bureau of Transportation Planning & Development ; adapted from General highway maps, county series ; in cooperation with U.S. Department of Transportation Federal Highway Administration. It was published by the Department of Public Works in 1992, revised from 1977. Scale [ca. 1:63,360]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Massachusetts State Plane Coordinate System, Mainland Zone (in Feet) (Fipszone 2001). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads, drainage, cities and other human settlements, territorial boundaries, shoreline features, and more. Includes also hand-colored boundaries, legend showing changes in urban area boundaries, and legend showing classification of highways. This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.