The Emerald Mile: The Epic Story of the Fastest Ride in History Through the Heart of the Grand Canyon

by Kevin Fedarko

In the space of a week, the level can easily surge to 30,000 cfs, and a few days after that it can once again rocket up, surpassing 100,000 cfs. Few rivers on earth can match such manic swings from benign trickle to insane torrent.

In the space of a week, the level can easily surge to 30,000 cfs, and a few days after that it can once again rocket up, surpassing 100,000 cfs. Few rivers on earth can match such manic swings from benign trickle to insane torrent.