The Tucson Sector accounts for the border from the New Mexico state line to Yuma County. The Yuma Sector handles the 126 ...

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 ...

this issue). Sand deposition, accretion, and erosion within the coastal environment result in the development of a variety of dune morphologies; however, a general classification into primary and ...

Aa Aa Aa For large-scale coastal dune development there needs to be a suitable wind regime, large reserves of sand and suitable nearshore, beach and back beach morphology (Pye 1983, Iversen ...

Below you’ll find the ultimate guide to Great Sand Dunes National Park, including things to do, how to get there, the best ...

Sand grains that are very round and dry (moisture on the dune's surface can cause sand to clump together, inhibiting avalanching) Grains on the dune's surface that are "well sorted," meaning they ...

Border Agents at the San Luis port of entry were able to step in and save an American woman from overdosing on Tuesday. They say this is just one of 900 medical calls since last October. While ...

Behind many of these beaches are sand dune systems which provide homes for diverse forms of wildlife including plants and insects, some so highly specialised that without these dune habitats ...

Appearances can be deceiving. At first glance, you'd never think the rolling white sand dunes of southeastern New Mexico and west Texas held the largest stand of oak in the country. The region's ...

Schools in the Yuma metro area use the ACT and AZSCI tests to assess students. For personalized and effective admissions consulting,consider CollegeAdvisor.com. Get one-on-one advising on your ...

It may have been the first snowfall of the season for the Mile High City, but it came with enough snow to surpass the average ...