Submitted by ‘TAL’
Featured Image: Tunnel Boring Machine, Yucca Mt. SOURCE: Wikipedia (Public-Domain)
From The Gipster Thursday, January 9, 2014
Now that we know it was an eight-inch steel pipe that brought the world’s largest-diameter tunneling machine to a halt up in Seattle, we can no longer fantasize about Bertha unearthing a five-story-tall buried locomotive. But we can look at something almost as fascinating: The other giant holes that are currently being churned through the bedrock below our cities.
With major infrastructure projects underway across the country, chances are very good that something is being hollowed out below your feet at this very moment. Here are some of the largest tunnels currently under construction in the U.S. . . . Read Complete Report w/photos
Dig a LITTLE DEEPER ~ THEI Archive “Tunnels”