Raging flood waters are submerging Boulder, Colorado, and surrounding areas, where rescue operations are underway.
Colorado Flooding Causes Evacuations, Deaths
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A section of Highway 72 is missing after a flash flood tore through Coal Creek near Golden, Colorado, Sept. 12, 2013.
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Matthew Messner looks for a way to cross the sidewalk covered by heavy rains in Boulder, Colorado, Sept. 12, 2013.