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The RegistryJune 15, 20171 Mins read60
Disassembling Bertha: A peek inside the SR 99 tunneling machine (May-June 2017)
The RegistryJune 15, 20171 Mins read60
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The inner-workings of the SR 99 (Seattle, Puget Sound) tunneling machine Bertha are now fully visibl
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