By the Secretary of the Interior and the National Park Service.
The Grand Canyon is in northwestern Arizona.
The Grand Canyon is largely contained within the Grand Canyon National Park, one of the first national parks in the United States. There is a Grand Canyon-Parashant National Monument located on the northern edge of the Grand Canyon National Park. This Monument is co-managed by the National Park Service and the Bureau of Land Management.
Garcia Lopez de Cardenas is credited with being the first European to see the Grand Canyon.
the grand canyon
a Grand Canyon is nothing but a big erosion.........
Copper Canyon (Spanish: Cañon del Cobre) is such landmark.
John Wesley Powell, named the Grand Canyon. Major John Wesley Powell was 35 years old when he led his first expedition through the Canyon. He was a geologist, a teacher, and a one-armed veteran of the Civil War (he lost his right arm in the Battle of Shiloh).
It is a Canyon as in the Grand Canyon.
Black canyon
the same way it is being protected now
The grand canyon is grand