A chart of Boston Harbor, Massachusetts. From a Trigonometrical Survey.
Triangulation by A.D. Bache Supdt. and C.O. Boutelle Asst. Topography by J.B.
Gluck, H.L.Whiting, J.S. Williams Assts & S.A. Gilbert Sub-Asst. Surveyed in
1867, Edition of 1878. Including 3 views of Entrance to Boston by Main & South
Channel, showing Minot's Ledge Lt. and Long Island Lt.