This layer is a georeferenced raster image of the historic paper map entitled: A topographical chart of the bay of Narraganset in the province of New England : with all the isles contained therein, among which Rhode Island and Connonicut have been particularly surveyed, shewing the true position & bearings of the banks, shoals, rocks &c. as likewise the soundings, to which have been added the several works & batteries raised by the Americans, taken by order of the principal farmers on Rhode Island, by Charles Blaskowitz. It was published in 1777 by Wm. Faden. Scale [ca. 1:50,000]. Nautical chart showing American Revolution military defenses and points of interest. Covers the Narraganset Bay region, Rhode Island. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Rhode Island State Plane Coordinate System (Feet) (FIPS 3800). 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, or other information associated with the principal map. This map shows features such as roads, selected buildings, farms, military defenses and structures, drainage, and more. Relief shown by hachures. Depths shown by soundings and form lines. Includes text, 'References to the batteries,' and 'A list of the principal farms in Rhode Island.' This layer is part of a selection of digitally scanned and georeferenced historic maps of New England from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of regions, originators, ground condition dates, scales, and map purposes.