The Grand Canyon began forming ten million years ago with the beginning erosion of the Colorado River.
Grand Canyon National Park is 1,218,375 acres
The Grand Canyon is 277 miles long, up to 18 miles wide and 5000 feet deep.
The Canyons Minimum width: 600 feet at Marble Canyon
The Canyons Average width: 10 miles
Minimum width of Colorado River: 76 feet
Average width of Colorado River: 300 feet
Maximum depth of the Colorado River: 85 feet
Average depth of river: 40 feet
Number of rapids in the Grand Canyon: 160
The Grand Canyon is located in Northern Arizona
Grand Canyon is located at Latitude 36, Longitude -112
The Grand Canyon was established as a forest preserve in 1892
The Canyon became a national monument in 1908
The Grand Canyon was designated a national park in 1919
The Grand Canyon has five of the seven life zones and three of the four desert types in North America.
Over 1,500 plant, 287 bird, 89 mammalian, 47 reptile, 58 amphibian, and 17 fish species are found in the park.
Grand Canyon is located at Latitude 36, Longitude -112
Total miles of trails in the park: 400
Number of miles of roads: 355
Number of known archaeological sites within the park: 2,700
Number of Indian reservations in the park: 1 (Havasupai)
Endangered wildlife species: 3 (bald eagle, peregrine falcon, humpback chub)
Endangered plant species: 2 (Brady pincushion cactus and sentry milkvetch)
|
|