Reconnaissance of the Western Coast of the United States from San Francisco to San Diego by the hydrographic party under the command of Lieut. James Alden, U.S.N., assistant. U.S. Coast Survey. A.D. Bache, Superintendent. Drawn by W.B. McMurtrie; reduction for engraving by W.M.C. Fairfax. Outlines & topography engraved by G. McCoy; views by G. McCoy & S.V. Hunt; lettering by W. Smith. Electrotype copy no. 6 by G. Mathiot, U.S.C.S. (with logo) U.S. Coast Survey Office.