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The History of Tunneling in the United States

Tunnels have been built for 200 years to solve some of society’s most pressing and dangerous problems. And yet the public rarely understands the complexity of boring through the earth under urban skyscrapers or the danger of burrowing under rivers, lakes, and oceans. This smartly told, beautifully illustrated book, by the construction experts who know the underground world better than anyone, gives tunnels their long-deserved due.

The History of Tunneling in the United States

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View from a drone inside the SR 99 tunnel

Just a few days before the SR 99 tunneling machine started tunneling under the Alaskan Way Viaduct, the Washington State Department of Transportation flew a video-equipped drone through the SR 99 tunnel to show Seattle Tunnel Partners’ construction progress.

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