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Drought reveals historic sights under Lake Mead

Name: Drought reveals historic sights under Lake Mead
Uploaded: 2015-07-29T21:48:41-0400
Duration: 3 min 30 s
Description: A historic drought in the western U.S. has severely depleted the water in Lake Mead, uncovering clues to the region's past. CBS News correspondent John Blackstone takes a look under the lake.

A historic drought in the western U.S. has severely depleted the water in Lake Mead, uncovering clues to the region's past. CBS News correspondent John Blackstone takes a look under the lake.