Zion National Park, Utah,USA:

Zion National Park is located in the Southwestern United States, near Springdale, Utah. A prominent feature of the 229-square-mile park is Zion Canyon, which is 15 miles long and up to half a mile deep, cut through the reddish and tan-colored Navajo Sandstone by the North Fork of the Virgin River. The lowest elevation is 3,666 ft at Coalpits Wash and the highest elevation is 8,726 ft at Horse Ranch Mountain. Located at the junction of the Colorado Plateau, Great Basin, and Mojave Desert regions, the park's unique geography and variety of life zones allow for unusual plant and animal diversity. Numerous plant species as well as 289 species of birds, 75 mammals, and 32 reptiles inhabit the park's four life zones: desert, riparian, woodland, and coniferous forest. Zion National Park includes mountains, canyons, buttes, mesas, monoliths, rivers, slot canyons, and natural arches.Human habitation of the area started about 8,000 years ago with small family groups of Native Americans; the semi-nomadic Basketmaker Anasazi stem from one of these groups. In turn, the Virgin Anasazi culture developed as the Basketmakers settled in permanent communities.A different group, the Parowan Fremont, lived in the area as well. Both groups moved away by 1300 and were replaced by the Parrusits and several other Southern Paiute subtribes. Mormons came into the area in 1858 and settled there in the early 1860s. In 1909, U.S. President William Howard Taft named the area a National Monument to protect the canyon, under the name of Mukuntuweap National Monument. In 1918, however, the acting director of the newly created National Park Service changed the park's name to Zion. According to historian Hal Rothman, "The name change played to a prevalent bias of the time. Many believed that Spanish and Indian names would deter visitors who, if they could not pronounce the name of a place, might not bother to visit it. The new name, Zion, had greater appeal to an ethnocentric audience."The United States Congress established the monument as a National Park on November 19, 1919. The Kolob section was proclaimed a separate Zion National Monument in 1937, but was incorporated into the park in 1956.The geology of the Zion and Kolob canyons area includes 9 formations that together represent 150 million years of mostly Mesozoic-aged sedimentation. At various periods in that time warm, shallow seas, streams, ponds and lakes, vast deserts, and dry near-shore environments covered the area. Uplift associated with the creation of the Colorado Plateaus lifted the region 10,000 feet starting 13 million years ago.

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