Great Lakes Harbors Study--interim Report on Ashtabula Harbor, Ohio: Letter from the Secretary of the Army, Transmitting a Letter from the Chief of Engineers, Department of the Army, Dated January 21, 1959, Submitting a Report, Together with Accompanying Papers and an Illustration, on Great Lakes Harbors Study--interim Report on Ashtabula Harbor, Ohio, Requested by Resolutions of the Committees on Public Works, United States Senate and House of Representatives, Adopted May 18, 1956 and June 27, 1956