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By Joel Gratz, Founding Meteorologist Posted 9 years ago March 3, 2014
Helicopter avalanche control - Portillo
Watch as a helicopter drops bombs to trigger avalanches in the mountains surrounding Portillo, Chile.
About The Author
Joel Gratz
Founding Meteorologist
Joel Gratz is the Founding Meteorologist of OpenSnow and has lived in Boulder, Colorado since 2003. Before moving to Colorado, he spent his childhood as a (not very fast) ski racer in eastern Pennsylvania.
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