Dughlas Stiubhart Sep 7, 2017 The glyphs are carved into tuff and are extremely fragile. Time and modern humans have not been kind to them. The BLM has recently put wire protection around the rock art and removed a road and picnic ground very close to them.
The glyphs are carved into tuff and are extremely fragile. Time and modern humans have not been kind to them. The BLM has recently put wire protection around the rock art and removed a road and picnic ground very close to them.
