  |
Raging Rapids
In some parts of the Colorado River, huge rapids swirl through canyons. Brave people like to raft down the white-water rapids. Hold tight!
|
|
|
|
Concrete Canyon
This is the Hoover Dam. It's on the Arizona-Nevada
border. It is the tallest concrete dam in the United States. The river below the dam is now a trickle, compared to what it once was.
|
|
|
|
Drying Up
The Colorado River no longer runs all the way to the sea. The river turns to a dried, cracked mud plain before reaching the Gulf of California.
|
 |
