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Tunnel Building News (tenders, building progress news, etc)
Tunnel Building News (tenders, building progress news, etc)'s Files
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)
Wikimedia commons
By
A. Luthra
2019 days ago
British tunnelling Society Specification for Tunnelling Blog
By
Paolo Kerguel
2038 days ago
BTS
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