John Mark Harris, 54, of Ft. Oglethorpe, Ga., died Tuesday, April 24, at his residence.A native and lifelong resident of Catoosa County, Mr. Harris was employed as a supervisor with Shaw Industries and attended Battlefield Parkway Church of the Nazarene. He was preceded in death by his father, Fred L. Harris Sr.Survivors include his wife, Leigh Ann Harris; children, Nate Harris of Ft.