Fire burns near Pyramid Auto Sales Tuesday July 3, 2012. A wildfire that started about 2 p.m. Tuesday in Lambert Park in Alpine has burned at least one structure, a barn, and 80 homes have been evacuated, according to the Lone Peak Police Department. Utah County Sheriff?s Sgt. Spencer Cannon said the fire was human-caused. It was somehow sparked by a man working on a trackhoe near the Alpine rodeo grounds. (AP Photo/The Salt Lake Tribune, Chris Detrick )