“If it’s not the water, it is the wind that is causing a lot of the erosion.” After closely analyzing erosion over the last ...

All slot canyons in Arizona are carved out of Navajo sandstone that’s been eroded by flash flooding and wind erosion over ...

Every human step into the canyon represents about 20,000 years' worth of erosion. This short film could be used to stimulate discussion with students about just how slow the process of erosion can ...

Park rangers said changing water levels and erosion ... the Glen Canyon National Recreation Area in southern Utah But over time, the formation had begun to crumble and erode with wind and rain ...