 Another mastication project in Yavapai County will be south of Prescott Valley and southeast of the Stone Ridge neighborhood. Charcoal Gulch is a 600-acre fuels reduction project also designed for wildfire risk reduction and community protection. Firefighters have gotten a handle on the Thompson fire burning near Skull Valley. The Arizona Department of Forestry and Fire Management reports the blaze is 90% contained. The fire burned 112 acres in mostly rough and inaccessible terrain.