Historic stone etchings, petroglyphes, about 4000 years old, Atlatl Rock, Valley of Fire State Park, Nevada, USA

4000 about aged america american area areas atlatl carving carvings conservation day daylight daytime during engraving engravings etchings exterior exteriors fire historic historic historical historically history national natural nature nevada nobody north of old outdoor park park parks petroglyph petroglyphes petroglyphs petrograph petrographs photo photos preserve preserves reserve reserves rock rock sanctuaries sanctuary shot shots state states stone the united us us american usa valley wildlife years