fs1856 palatki grotto panel 15 detail - 3d model fofsedona 9fa05da area complex superposition probable archaic sinagua yavapai apache pictographs scratched petrolgyhs there additional &ldquo historic&rdquo greater than 50 years old modern graffiti can not removed without destroying underlying ancient glyphs initials pre-date 1910 early local homesteaders part ongoing project evaluate younger imagery over older petroglyph scratching information red rock district coconino forest found following web sites http wwwsedonaredrocktrailsorg wwwfsusdagov recmain recreation volunteer opportunities including creation models other projects wwwfriendsoftheforestsedonaorg