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October 2010 Alaskan Viaduct Closure - Survey crew 2 | by WSDOT
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October 2010 Alaskan Viaduct Closure - Survey crew 2

WSDOT survey crew member holds a survey rod at one of the locations on the Alaskan Way Viaduct being measured to determine if any settlement has occurred. A scanner reads a bar code on the rod that provides elevation data about the location. The elevation will be compared to measurements from previous inspection closures.

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Taken on October 16, 2010