Fremont Street decorated for Helldorado celebration, 1930's (This photo gives an excellent close-up of the "Welcome to Las Vegas: the gateway to Boulder Dam" arch). Inscription with the image reads, "The arch was built to welcome Sectratary of the Interior Ray Lyman Wilbur to Las Vegas. He came to town for the ceremony of driving to the silver spike for the railroad branch from Las Vegas to Boulder City, September 17, 1930. Governor Balzar declared to carry spectators and notables to Braken, juction 7 miles south of Las Vegas on the SLC-LA line. "