A handout aerial image released by the US Army on 15 September 2013 showing damage and flooding to infrastructure destroyed by heavy rains, with some areas receiving as much as 18 inches in a 24-hour ... more 
A handout aerial image released by the US Army on 15 September 2013 showing damage and flooding to infrastructure destroyed by heavy rains, with some areas receiving as much as 18 inches in a 24-hour period, in Boulder, Colorado, USA, 14 September 2013. The 4th Combat Aviation Brigade was able to assist state and local emergency response efforts under the Immediate Response Authority. EPA/STAFF SGT. WALLACE BONNER / US ARMY / HANDOUT less 
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Yahoo News | Photo By EPA/STAFF SGT. WALLACE BONNER / US ARMY / HANDOUT
Tue, Sep 17, 2013 3:00 PM EDT