"Skunk,'' "oatmeal cookie" and "punx" are scribbled in black spray paint on giant, earth-crushing boulders where ancient petroglyphs may have been etched by the Serrano and Chemehuevi. http://articles.latimes.com/2013/apr/12/local/la-me-joshua-tree-graffiti-20130413
Press release 2312.
Archeologists have discovered giant, earth-crushing boulders where ancient petroglyphs may have been etched by the Serrano, Chemehuevi, and
Oatmeal Cookie peoples.