
Big Bertha
How a Massive Tunnel Boring Machine Dug a Highway Under Seattle
Illustrator: Wu, Katy
Versandkostenfrei!
Versandfertig in über 4 Wochen
14,99 €
inkl. MwSt.
PAYBACK Punkte
7 °P sammeln!
"In 2013, construction crews raced to replace a crumbling elevated highway along Seattle's waterfront with a double-decker tunnel running almost two miles under the city. This is the story of Bertha, the mammoth and complex tunnel boring machine that simultaneously dug and built the tunnel, and Deputy Project Manager Greg Hauser and his dedicated crew"--