Photograph of section of map. "Suveyed in August 1857 by Henry Hancock, U.S. Dep. Surv." Earlier title: "Plan de la ciudad de Los Angeles. Surveyed by E.O.C. Ord, Lt. U.S.A. and Wm. R. Hutton, assistant. August 29t... "Donation lots surveyed by H. Hancock in August and April 1853. Geo Hanson, asst."