Vandals cause ‘irreparable damage’ to 1,000-year-old Native American petroglyphs

… ; to 1,000-year-old Native American petroglyphs in the Chattahoochee-Oconee … , or rock carvings, made by Native Americans more than 1,000 years …… ; to 1,000-year-old Native American petroglyphs in the Chattahoochee-Oconee … , or rock carvings, made by Native Americans more than 1,000 years …