by John Hopkins | Fri, 26 Nov 2021 16:40:00 -0700 | image
Mass wasting of Entrada sandstone, Glade Park, Colorado, November ©2021 hopkins/neoscenes. by John Hopkins | Thu, 25 Aug 2011 12:55:00 -0600 | image
Debris flow of mostly light organic material emerging onto the dune field from a post-wildfire area of Great Sand Dunes National Park, August ©2011 hopkins/neoscenes.
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