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LA County tunnel project flew mostly under the radar for more than a decade before collapse
From the air, it just looks like a big hole, but the L.A. County Sanitation District's wastewater tunnel is a massive project that runs for miles, 400 feet underground. Even with a $700 million price ...
Thirty-one men working on a tunnel about 400 feet beneath the ground in Los Angeles were operating a machine to carve through the earth. Without warning, a portion of the tunnel collapsed around them ...
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