How did we get here? A look back on Seattle’s tunnel machine Bertha
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How did we get here? A look back on Seattle’s tunnel machine Bertha
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seattletimes.com
Big Bertha – world’s largest tunnel boring machine – facing big Seattle challenge
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Big Bertha – world’s largest tunnel boring machine – facing big Seattl…
Dec 25, 2013
CBS News
Bertha's Two-Mile Subterranean Journey Is Almost Over
Bertha's Two-Mile Subterranean Journey Is Almost Over
Jan 25, 2017
popularmechanics.com
The world's largest tunnel-boring machine uncovered in Seattle
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The world's largest tunnel-boring machine uncovered in Seattle
Apr 5, 2017
Mail Online
Seattle tunnel machine reaches end of long, troubled journey
1:08
Seattle tunnel machine reaches end of long, troubled journey
365 viewsApr 4, 2017
ABC News
World's largest tunneling machine digs in
World's largest tunneling machine digs in
Aug 2, 2013
newatlas.com
Watch Bertha, the world’s largest tunnel boring machine, emerge from beneath Seattle
Watch Bertha, the world’s largest tunnel boring machine, emerge fro…
Apr 4, 2017
geekwire.com
2:40
Seattle's tunnel machine Bertha breaks through nearly 4 years later
Jan 1, 2009
king5.com
Watch: Bertha the Seattle tunnel machine goes under the torch as …
May 9, 2017
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Welcome to Seattle, Bertha: World’s largest tunnel boring machine arri…
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Sound Transit's boring machine reaches Downtown Seattle
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komonews.com
Big Bertha Finally Breaks Through Into the Sunlight
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popularmechanics.com
Get a 360-Degree Tour of Seattle's Gargantuan Tunneling Machine
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What's stopping big Bertha? Seattle debates mysterious object obstru…
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NBC NewsJoe Fryer,Daniella Silva,NBC News
Bertha be gone: Time-lapse video shows summer-long dismantling …
Aug 23, 2017
geekwire.com
Drone footage reveals Bertha’s exit point as the boring machine reach…
Oct 3, 2016
seattletimes.com
Bertha breakthrough: Seattle’s giant tunnel boring machine pushes thr…
Feb 19, 2015
geekwire.com
Watch: As disassembly continues, time-lapse video gives look inside …
Jun 15, 2017
geekwire.com
Bertha passes 1-mile mark: Video shows how Seattle’s tunnel machi…
Nov 3, 2016
geekwire.com
1:46
Tunnel boring machine MudHoney finishes underground journey in S…
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king5.com
Bertha breaks through: World's largest boring machine complete…
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newatlas.com
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2 years after breakdown, Bertha nearly ready to tunnel
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komonews.com
Bertha’s big breakthrough is here: Seattle tunnel machine will emerg…
Apr 3, 2017
geekwire.com
0:17
130K views · 8K reactions | Yesterday was officially Big Berth…
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FacebookLabor of Love Transport Rescue
Under pressure: Seattle tunnel contractors show what it takes to …
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geekwire.com
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Mystery of Seattle's Tunnel Borer Blockage Solved
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NBC News
0:47
Big Bertha – World’s Largest Tunnel Boring Machine | Tunnel Boaring …
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YouTubeModern India
Big Bertha: A 25,000 HP Mechanical Worm Designed in Japan for Amer…
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World's largest tunneling machine still stuck
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New photos: With viaduct in rear view, Bertha begins tunneling und…
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