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May 25, 2016
The so-called “sweet spot” for digging tunnels along the California/Mexico border.
“and the ground will be sandy and potentially soggy from the water of the Pacific Ocean. That could lead to flooding, which wouldn’t be good for the drug business. Too far east and you’ll hit a dead end of hard mountain rock.” However, Song continues, “in a strip of land that runs between roughly the Tijuana airport and the Otay Mesa neighborhood in San Diego, there’s a sweet spot of sandstone and volcanic ash that isn’t as damp as the oceanic earth and not as unyielding as stone.” The Soft Spot – BLDGBLOG
Posted by gerardvanderleun at May 25, 2016 9:09 AM. This is an entry on the sideblog of American Digest: Check it out.