Las Vegas Sun

July 23, 2014

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This is a tunnel seen during a public open house of Yucca Mountain Saturday, November 3, 2001. The tunnel and surrounding rock has been heated to an average 392 degrees for the past four years and then will be allowed to cool beginning January 2002 for another four years to study the effect on the movement of water through Yucca Mountain.

Sam Morris / Las Vegas Sun

This is a tunnel seen during a public open house of Yucca Mountain Saturday, November 3, 2001. The tunnel and surrounding rock has been heated to an average 392 degrees for the past four years and then will be allowed to cool beginning January 2002 for another four years to study the effect on the movement of water through Yucca Mountain.