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Visual Evidence

Image 4:  Crossing Mountains, Point of Rocks Tunnel


Crossing Mountains, Point of Rocks Tunnel 

Questions for Image 4:

  1. Why were tunnels and narrow passages like this one built by railroad companies?

  2. How do you think the railroad constructed this tunnel?

  3. Notice that the railway is adjacent to a canal. What problems do you think could occur with the two companies so close?

  4. As trains were built bigger and bigger, what problems could you foresee with this passageway?
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