Alaskan Way Replacement Tunnel (SR99 tunnel( bored by Bertha produced by Hitachi Zosen) : TunnelContact.com

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Alaskan Way Replacement Tunnel (SR99 tunnel( bored by Bertha produced by Hitachi Zosen)

Alaskan Way Replacement Tunnel (SR99 tunnel( bored by Bertha produced by Hitachi Zosen)

By Ari G.J. van der Dijk 2018 days ago

Seattle City Council (WCC)

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cover tunnel photo by: Matt Brown from London, England / CC BY

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