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Double Arch was formed differently from most of the arches in the park. It is what is known as a pothole arch, formed by water erosion from above rather than more typical erosion from the side. The larger opening has a span of 148 feet (45 m) and a height of 104 feet (32 m). [ 2 ]
In August 2010, Lake Powell was declared mussel free. [citation needed] Lake Powell introduced a mandatory boat inspection for each watercraft entering the reservoir beginning in June 2009. Effective June 29, 2009, every vessel entering Lake Powell must have a mussel certificate, although boat owners were allowed to self-certify.
Golden Cathedral. Glen Canyon National Recreation Area (shortened to Glen Canyon NRA or GCNRA) is a national recreation area and conservation unit of the United States National Park Service that encompasses the area around Lake Powell and lower Cataract Canyon in Utah and Arizona, covering 1,254,429 acres (5,076.49 km 2) of mostly rugged high desert terrain.
The popular arch in the Glen Canyon National Recreation Area fell Thursday, and park rangers suspect changing water levels and erosion from waves in Lake Powell contributed to its demise.
At Lake Powell, a large reservoir on the border of Utah and Arizona, families often climbed the now-fallen arch and plunged into a swimming hole below, even though the recreation area bans cliff ...
The recreation area surrounds Lake Powell, built in ... Aug. 23—During the first week of August, a famous double arch collapsed in Utah's Glen Canyon National Recreation Area. Made from millions ...
Arches National Park is a national park of the United States in eastern Utah.The park is adjacent to the Colorado River, 4 mi (6 km) north of Moab, Utah.The park contains more than 2,000 natural sandstone arches, including the well-known Delicate Arch, which constitute the highest density of natural arches in the world.
The Double Arch isn't the first arch in recent years to succumb to the forces of time. In 2008, Wall Arch, a natural structure in Arches National Park, dramatically collapsed.