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Helicopters drop water on part of the Slide Fire in Sterling Canyon at the Oak Creek Overlook above Sedona, Ariz. on Thursday, May 22, 2014. Hundreds of firefighters worked Thursday to protect communities on the edge of Flagstaff from a wildfire that is chewing up a scenic Arizona canyon with towering flames and burning entire trees down to nothing but ash. (AP Photo/The Arizona Republic, Michael Schennum) MARICOPA COUNTY OUT; MAGS OUT; NO SALES

Northern Arizona wildfire

Hundreds of firefighters are working to protect communities from a wildfire chewing up a scenic Arizona canyon, but some business owners worry that the blaze will keep customers away from the premier tourist area over the important holiday weekend. (AP)

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