In Glen Canyon, according to one study, soil, in the true sense of the word, is rare in the area.

Conservationists lost a battle to save upstream Glen Canyon from becoming a reservoir.

He concluded his essay with the prediction that "within the lifetime of our children" Glen Canyon and the living river "will be restored to us."

At the time, Brower had not actually been to Glen Canyon.

Brower believed the river should remain free, and would forever after consider the loss of Glen Canyon his life's ultimate disappointment.

The lake's main body stretches up Glen Canyon, but has also filled many (over 90) side canyons.

It was created in 1963, when a hydroelectric dam submerged much of Glen Canyon.

Perhaps today environmental and cultural concerns would overrule any plans to build a dam like the one at Glen Canyon.

The loss of Glen Canyon to the dam and reservoir became a rallying point for environmental activists in years to come.

Glen Canyon has been called a lost Eden, largely because the conditions are perfect for life.