The Grand Canyon National Park. As a matter of fact, it made the Grand Canyon!
He was in charge of the 1869 expedition and is responsible for many of the Canyon names.
A simplified answer would be that the Canyon is measured from Rim to Rim while the Colorado River gets its width by measuring the river from bank to river bank. At some points the Colorado runs a meandering course through an 18 mile wide canyon. Further, the Grand Canyon National Park is much larger then the canyon itself because it is defined not by nature, but by the whims of cartographers.
A canyon is formed by a river. The river rises to the highest point and starts to carve. Then from there the water level goes down... And there's your canyon:-p
The Grand Canyon was formed by the Colorado River wearing away at the rock over a long period of time. Some estimate in the millions of years.
The Colorado River runs through the Grand Canyon.
The river which flows through the Grand Canyon is the Colorado river.
The Colorado River passes through the Grand Canyon in the northwest part of Arizona.
The Colorado River flows through the grand canyon.
The Colorado River runs through the Grand Canyon. It's located at the bottom of the Grand Canyon.
Colorado river
The Grand Canyon is in Arizona and was carved by the Colorad River.
The Colorado river runs through the grand canyon
Colorado River
The Colorado River
Colorado River.
The Colorado River runs through the Grand Canyon