Railroad Uses Howitzer Cannon to Cause Avalanches | Railroad Alaska
Railroad section-chief Bruce Gough is forced to bring out the big guns, a 105mm howitzer with military grade explosives to trigger man made avalanches along the track. | For more, visit http://america.discovery.com/tv-shows... Subscribe to Destination America! | http://www.youtube.com/subscription_c... - ---- Destination Unknown Add Hundreds of Paranormal Shows to Amazon Prime - Start Your 7-Day Free Trial Today! http://destinationamerica.com/Destina...

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