Search and rescue crews from the Crook County Sheriff’s Office on Thursday found the body of a Prineville man who went missing on Monday afternoon, according to a news release from the Sheriff’s Office.

Around 3:15 p.m. on Thursday, Crook County Search&Rescue personnel found Dean Erickson’s body near Dry Creek Reservoir, about 12 miles southeast of Prineville. Oregon Air National Guard assisted in locating Erickson.

Erickson, 59, was last seen at about 3 p.m. on Monday at his home on Umatilla Loop. Officials believe he died of exposure.