FILE -- In this July 12, 2001, file photo, rafters ride the white waters of the Colorado River during a rafting trip in Glenwood Canyon near Glenwood Springs, Colo. After a winter of historically low ... more 
FILE -- In this July 12, 2001, file photo, rafters ride the white waters of the Colorado River during a rafting trip in Glenwood Canyon near Glenwood Springs, Colo. After a winter of historically low snowpack combined with an earlier-than-normal runoff, Colorado river guides and tourists are adjusting their spring and summer plans for what is turning out to be an early paddling season. (AP Photo/Ed Andrieski, File) less 
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Associated Press | Photo By Ed Andrieski, File
Mon, May 28, 2012 12:10 PM EDT