In the afternoon, while his crew set up camp for the night, Powell would often climb into the canyon to investigate. Much has been learned about the geology of the Grand Canyon and about the ...

Clearly Powell was awed by the fantastical convolutions of this land. He became the chief expositor of the "plateau province ... rocks at the bottom of the Grand Canyon are counted in, the ...

The Colorado River runs through the Glen Canyon Dam, which forms Lake Powell, and eventually into the Grand Canyon. The smallmouth bass live in Lake Powell, and until recently, they had nowhere ...