ss.
 
*Map 81.39.1866 Massachusetts. Board of harbor commissioners.
Plan for the occupation of flats owned by the Commonwealth in Boston harbor. Approved and adopted by the General court, May 18th, 1866. (Boston, 1866.] Size, 14 1/2 X 21 1/8 inches. Scale, 12 10,000 (or 833 1/3 feet to 1 inch).
-Boston. Harbor. Maps.