along state highway 211, on the sprint towards Canyonlands NP, Needles district, the road passes by Newspaper Rock..here artists, over the last 2,000 years, have carved petroglyphs by etching into the 'desert varnish', a dark manganese/iron layer added to local rock by rain and bacteria...the pictures seem to be mainly of shaman-like figures, and hunting targets, with a few more conceptual images here and there