Imagine seeing the varied landscapes of the earth as they used to look throughout hundreds of millions of years of earth history. Tropical seas lap on the shore

Written with the general reader in mind, this is the updated edition of the classic on the geology of the red rock and canyon country of the Fours Corners regio

Roughly centered on the Four Corners region of the southwestern United States, the Colorado Plateau covers some 130,000 square miles of sparsely vegetated plate

"With a plethora of updates and insights into land conservation and management questions on the Colorado Plateau, The Colorado Plateau VI shows how new technolo

An overview of the Colorado Plateau's fossil remains of organisms that lived millions of years ago, featuring numerous illustrations and photographs.