fs1851lrd palatki grotto panel 17 dstretch lrd - 3d model fofsedona a5dc5d7 small portion complex superposition archaic sinagua yavapai apache pictographs petroglyphs uses same input photographs used fs1851 but they have been processed algorithm enhance color variations determining types paint part ongoing project evaluate younger imagery over older petroglyph scratching additional information red rock district coconino forest can found following web sites http wwwsedonaredrocktrailsorg wwwfsusdagov recmain recreation volunteer opportunities including creation models other projects wwwfriendsoftheforestsedonaorg