Travelling through these towns offers insight into settlement patterns and the relationship between landscape and livelihood.

Granular sediment may behave as a strong, rock-like material owing to the following mechanisms that stabilize sediment fabric 21: capillary cohesion from interfacial tension caused by partial water ...

An accretion of iron molecules leaves a bizarre pattern in the sandstone. For larger image, click here. Photo by Jeff Mitton. The multitude of parks on the Colorado Plateau is testimony of our ...