Golden Gate Bridge

     

Before the Golden Gate Bridge was erected a ferry service would shuttle people and cars back and forth between San Francisco and Marin County. The ferry trip took almost a half hour to complete. Did you find the 3 changes? Click to see the next puzzle.

Joseph Strauss was a structural engineer who had become a bridge building expert. He had built many drawbridges throughout the United States and had built a solid reputation.

FYI - Use the arrows to advance next and back.