Here is the word on a new theory why Denver and probably Arizona is at a high elevation.
Mile High Theory
From Terry Steinborn.
Saturday, March 14, 2015
Thursday, March 12, 2015
Sunday, February 15, 2015
Friday, February 13, 2015
Great slow motion Landslide from the Landslide Blog.
Val Parghera:- A fascinating stop motion video of a large rockslide - The Landslide Blog - AGU Blogosphere