World's largest tunneling machine still stuck
1:49
World's largest tunneling machine still stuck
Feb 16, 2015
CNN
Seattle tunnel machine Bertha moving toward access pit
Seattle tunnel machine Bertha moving toward access pit
Feb 18, 2015
komonews.com
Bertha digging again after month-long maintenance
3:06
Bertha digging again after month-long maintenance
Jul 12, 2021
king5.com
Big Bertha Is Digging Seattle's Massive Underground Freeway
Big Bertha Is Digging Seattle's Massive Underground Freeway
Jul 5, 2013
gizmodo.com
Seattle's tunnel machine Bertha breaks through nearly 4 years later
0:43
Seattle's tunnel machine Bertha breaks through nearly 4 years later
Jan 19, 2018
wgrz.com
World's largest tunneling machine digs in
World's largest tunneling machine digs in
Aug 2, 2013
newatlas.com
Bertha breakthrough likely to take place Tuesday
Bertha breakthrough likely to take place Tuesday
Apr 3, 2017
komonews.com
2:03
Big Bertha – world’s largest tunnel boring machine – facing big Seattl…
Dec 25, 2013
CBS News
0:01
Rescue operation to reach Bertha resumes
Nov 4, 2014
komonews.com
0:01
Bertha is halfway home
Oct 3, 2016
komonews.com
0:40
This is what it looked like as Bertha, the world's largest tunnel boring …
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FacebookFOX 13 Seattle
0:01
Contractor announces aggressive plans to fix Bertha
Jun 16, 2014
komonews.com
0:33
Meet the world's largest tunnel boring machine: Bertha! 🔥 A giant i…
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DOT: Bertha damaged, tunneling on hold for now
4 months ago
komonews.com
A drones view of Bertha: World’s largest boring machine complete…
Apr 9, 2017
adafruit.com
Pieces of tunnel boring machine 'Bertha' slowly being removed fro…
May 8, 2017
komonews.com
Seattle's crippled Bertha tunneler drills into rescue pit
Feb 19, 2015
komonews.com
Watch Bertha, the world’s largest tunnel boring machine, emerge fro…
Apr 4, 2017
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
2:08
What's stopping big Bertha? Seattle debates mysterious object obstru…
Dec 21, 2013
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equipmentradar.com
Bertha breaks through: World's largest boring machine complete…
Apr 5, 2017
newatlas.com
Welcome to Seattle, Bertha: World’s largest tunnel boring machine arri…
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geekwire.com
Bertha breakthrough: Seattle’s giant tunnel boring machine pushes thr…
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geekwire.com
Bertha’s big breakthrough is here: Seattle tunnel machine will emerg…
Apr 3, 2017
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Big Bertha: A 25,000 HP Mechanical Worm Designed in Japan for Amer…
Dec 9, 2019
autoevolution.com
Bertha - A Massive TBM’s 2 Mile Journey Underneath Seattle | Equi…
Jul 22, 2019
equipmentandcontracting.com
1:07
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Bertha Hurricane Anchors
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