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Breakthrough at tunnel school

Features

Publishing Date
14 Oct 2009 2:21pm GMT
Issue/Supplement
WT October 2009
Author
George Demetri

Other tunnelling methods  


World Tunnelling editor George Demetri blazed a trail to the foothills of the Rocky Mountains in Colorado, US, where he was fortunate to be allowed on to a comprehensive tunnelling short course. Here he reports on the proceedings.

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