Photo by: @jamesqmartin Mesa Arch is classified as a pothole arch b/c it was formed by surface water that pooled on the sandstone behind the arch, slowly eroding the rock. The result is an arch that spans across the mesa’s edge. Hotels-live.com via https:

Photo by: @jamesqmartin Mesa Arch is classified as a pothole arch b/c it was formed by surface water that pooled on the sandstone behind the arch, slowly eroding the rock. The result is an arch that spans across the mesa’s edge. Hotels-live.com via www.instagram.com/p/BDSSfySioLl/ via http://flic.kr/p/Fr2YCs #link https://farm2.staticflickr.com/1649/25881211962_3de02f6b8f_b.jpg