"Since formation, this fine-grained sand feature has been subject to spalling and erosion from weather, wind, and rain." The ...
The Inertia on MSN7mon
World-Famous Sandstone ‘Double Arch’ Collapses In Glen Canyon National Recreation AreaKnown as the Double Arch, the Toilet Bowl, Crescent Pool, and Hole in the Roof ... to spalling and erosion from weather, wind ...
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