New Haven Harbor. Founded upon a trigonometrical survey under the direction of F.R. Hassler, Superintendent of the Survey of the Coast of the United States. Triangulation by James Ferguson and Edmund Blunt, assistants. Topography by C.M. Eakin, W.M. Boyce & J. Farley, assistants. Hydrography by the party under the command of G.S. Blake, Lieut., U.S. Navy. Published in 1846. A.D. Bache, Superintendent. Final reduction for engraving by Jno. B. Gluck, draughtsman. Engraved by Sherman & Smith, N.Y. Electrotype copy no. 3 by S. Siebert, U.S.C.S. (with logo) U.S. Coast Survey Depot.