The anchorage locations as hereinafter described are laid down on a copy of the United States Coast and Geodetic Survey Chart No. 545, which is on file in the office of the Harbor Engineer and is dated September 14, 1948. City Code, 1950, art. 11, §2 1966, art. 10, §2 1976/83, art. 10, §2 Ord. 48-477