Relief shown by hachures. Depths shown by soundings, isolines, and shading. Includes text, charts of tides and lighthouses, 6 views and 5 section diagrams. "Reduction for engraving by J. Farley, Asst., W.M.C. Fairfax, Asst., C. Mahon, J.J. Ricketts & J. Lambert Draughtsmen. Views by J. Farley, Asst." "Topography engraved by F. Dankworth & O.A. Lawson. Lettering by John Knight. Views by O.A. Lawson. Soundings by J. Knight & W. Smith. Sections by G. Mc.Coy & O.A. Lawson." In upper right-hand margin: Electrotype Copy No. 1 by G. Mathiot U.S.C.S.