This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...
conveyer belt to transport millions of tons of sand for hydraulic fracturing. The belt the company named “The Dune Express” runs from tiny Kermit, Texas, and across state borders into Lea ...
Colorado offers perpetual wonders for outdoor enthusiasts and cultural buffs, with strange features in national parks to explore. In Great Sand Dunes National Park, Star Dune's mysterious ...
conveyer belt to transport millions of tons of sand for hydraulic fracturing. The belt the company named “The Dune Express” runs from tiny Kermit, Texas, and across state borders into Lea ...