Photo #: NH 68439 Iron Clad Gunboat Benton. Designed and constructed by Jas. B. Eads, St. Louis, Mo. By order of Maj. Genl. J.C. Fremont, U.S.A.. Commanding Western Department Sept. 1861. Inboard and outboard profile drawings, prepared at about the time Benton was converted for Civil War employement. Courtesy of Lieutenant Commander Lyle W. Eads, USN (Retired). U.S. Naval History and Heritage Command Photograph.