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The Grand Canyon [a] is a steep-sided canyon carved by the Colorado River in Arizona, United States.The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters).
The Grand Canyon Association (GCA) is the National Park Service's official nonprofit partner. It raises private funds to benefit Grand Canyon National Park by operating retail shops and visitor centers within the park, and providing educational opportunities about the natural and cultural history of the region. Its goals include:
The first Europeans reached the Grand Canyon in September 1540. [1] It was a group of about 13 Spanish soldiers led by García López de Cárdenas, dispatched from the army of Francisco Vásquez de Coronado on its quest to find the fabulous Seven Cities of Gold.
Grand Canyon National Park was named an International Dark Sky Park in 2019. To earn and keep the certification, it retrofitted thousands of lights to reduce glare and shine downward, and ...
Grand Canyon Glamping Resort: This property about 8 miles from Grand Canyon West offers three types of accommodations: tents, tipis and covered wagons. All have heat and air conditioning. All have ...
Geologic stratigraphic column of strata exposed in and near the Grand Canyon. The term Great Unconformity is frequently applied to the unconformity observed by John Wesley Powell in the Grand Canyon in 1869. [1] It is an exceptional example of relatively young sedimentary rock strata overlying much older sedimentary or crystalline strata.
The resulting Grand Canyon Supergroup of sedimentary units is composed of nine varied geologic formations that were laid down from 1.2 billion and 740 million years ago in this sea. [11] Good exposures of the supergroup can be seen in eastern Grand Canyon in the Inner Gorge and from Desert View, Lipan Point and Moran point. [12] [note 1]
On April 24, 2018, I emerged from a daring 12-day expedition in the wilderness of the Grand Canyon with a concussion, two shiners, and two twisted ankles. In a call to my dear friend Enid, I ...