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Ed Stanley drives the golden rivet to mark the completion of the $35,000,000 Golden Gate Bridge spanning the entrance to San Francisco Bay, Ca., April 29, 1937. Holding the rivet is Ed Murphy and leaning over them is Joseph B. Strauss, chief engineer of the project. The bridge will be opened to the public May 27. (AP Photo)
This is a close up of one of the nearly completed cables which will hold up the floor of the $32,500,000 Golden Gate Bridge in San Francisco, Ca., May 4, 1936. Approximately 27,500 steel wires are in each cable, which are 36 1/2 inches in diameter and 7,700 feet long. The bridge spans the entrance to San Francisco harbor and joins the city with Marin County. (AP Photo)
Workers at the top of the tower, which will support the $35,000,000 suspension bridge, are shown during construction of one of the catwalks for the Golden Gate Bridge in San Francisco, Ca., Oct. 17, 1935. Below in background is the Marin County shore, which will be connected to San Francisco by the bridge. (AP Photo)
U.S. Secretary of Labor Frances Perkins, center, wears a steel helmet during an inspection tour of the San Francisco tower of the Golden Gate Bridge, Ca., March 25, 1935. Perkins, who is the first female cabinet officer in American history, talks with G.A. McClain, bridge superintendent, left, and S.E. Stanley, rivet foreman. (AP Photo)