Keywords: Coso petroglyphs (1).JPG Coso Rock Art District Coso petroglyphs on boulder's face ” at the Coso Rock Art District National Historic Landmark in the northern Mojave Desert and southern Inyo County California Inyo County California More than 250 000 pre-Columbian rock art Petroglyphs petroglyphs are located on 36 000 acres of the Coso Range and surroundings Protected within the Naval Air Weapons Station China Lake with occasional civilian public tours PD-USGov-Military-Navy Coso Rock Art District National Historic Landmark Petroglyphs in California |