For 27 years after its completion in 1937, the Golden Gate Bridge had the longest main span in the world, stretching 4,200 ft (1,280 m). Its four-year construction, supervised by chief engineer Joseph B. Strauss, faced many difficulties, including rapidly running tides, frequent storms and fogs, and the problem of blasting rock under deep water to plant earthquake-resistant foundations. Considered a modern wonder, the bridge spans the Golden Gate, a strait that links what two bodies of water? Discuss (http://forum.thefreedictionary.com/postst23574_Construction-Begins-on-California-s-Golden-Gate-Bridge--1933-.aspx)
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