Entrance to San Francisco Bay California. From a Trigonometrical Survey under the direction of A.D. Bache Superintendent of the Survey Of The Coast Of The United States. Triangulation by R.D. Cutts Asst. & A.F. Rodgers Sub-Assts. Hydrography by the Party under the command of Lieut. Comdg. James Alden U.S.N. Asst. 1859. U.S. Coast Survey Office. Verified W.R. Palmer ... No. 36. Redd. Drng. by W.M.C. Fairfax, J. Lambert, & J.J. Ricketts. Engd. by J. Knight, A. Blondeau & G.B. Metzeroth. Electrotype Copy No. 2 by G. Mathiot U.S.C.S. (inset map) Sub-Sketch Of Entrance To San Francisco Bay. 1859 (Raster Image)