Massive Mechanical Mole Surfaces From Nearly Five-Year Journey - Water Online (press release)

25 August 2008, 4:55 am

Massive Mechanical Mole Surfaces From Nearly Five-Year JourneyWater Online (press release), PA - Aug 25, 2008Devil Canyon, CA - A 450-foot tunnel-boring machine emerged from under the San Bernardino Mountains, creating a nearly four-mile tunnel as part of a ...... read more

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