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Planned blast's massive rock slide -- 20 times average -- closes Boulder Canyon
News Landslides Rock Engineering

Colorado Highway 119 in Boulder Canyon will be closed for at least two days after a rockfall because of blasting on Wednesday, the Colorado Department of Transportation said. Matt Mauro reports.

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Huge rockfall in Boulder Canyon triggered by blasting works

Sep, 11, 2019 | News

A huge rockfall caused by blasting works closed a highway located near Boulder, Colorado. The rocks...