Article Photos: Colorado flooding cuts off mountain towns, kills 3 1/18

A city worker talks on his phone while surveying high water levels on Boulder Creek following overnight flash flooding in downtown Boulder, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left two people dead and the widespread high waters are keeping search and rescue teams from reaching stranded residents and motorists in Boulder and nearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)