THE completion, just announced, of the great concrete structure originally known as the Boulder Dam, but afterwards officially designated the Hoover Dam, across the Colorado River in Black Canyon ...

The rugged geography, dense population, and arid nature of Southern California has created the need for some of the most unique and complex tunnel systems anywhere in the world, and over the last ...

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Big Bend Tunnel is a decommissioned tunnel on the mainline of the CSX Corporation's rail line through southern West Virginia west of Talcott, West Virginia. According to legend, folk hero John Henry ...