BOSTON HARBOR, MASSACHUSETTS. FROM A TRIGONOMETRICAL SURVEY UNDER THE DIRECTION OF A.D.BACHE SUPERINTENDENT OF THE SURVEY OF THE COAST OF THE UNITED STATES.

Washington: U.S. Coast and Geodetic Survey, 1857. Triangulation by A.D. Bache Supdt. and C.O. Boutelle Assistant. Topography by J.B. Gluck, H.I. Whiting, J.S. Williams Assists. & S.A. Gilbert Sub-Asst. Hydrography by the Party under the command of C.H. Davis Lieut. U.S. Navy Assistant. Original, first edition published map of Boston Bay and Boston Harbor by the U.S. Coast Survey. Detailed insets include information about the Tides and Tidal Currents, Light Houses and Light Vessels, and detailed Sailing Directions approaching Boston Bay, the Main Ship Channel, and Ranges Through the Bay. Illustrations at the bottom of the map include views of Passing Nix's Mate and Deer Island Beacon; Boston Light bearing WNW for clearing Thieves Ledge; Entering Nantasket Roads Long Island; South Channel Broad Sound and Nix's Mate on the middle of the Northern and highest of the Blue Hills; Passing George's Island Nix's Mate on the middle of Bunker Hill Monument. Map has been separated from original document and paper attachment remains on side with tears and creases. Evidence of top of blue library (?) stamp along one crease on back of map, but does not interfere with any details on front of map. Tears to most of the crease corners from age and use. Browning along creases . Overall map is in Good to Good+ condition, particularly for being more than 150 years old. Scarce.. Paperbound. Good to Good+. Illus. by Fold Out Map. Size: Approx. 36" x 28 1/2". Map.