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The Black Suspension Bridge (also known as the Kaibab Trail Suspension Bridge) spans the Colorado River in the inner canyon of Grand Canyon National Park. The span length is 440 feet (130 m). [ 1 ] The bridge is part of the South Kaibab Trail and is the river crossing used by mules going to Phantom Ranch .
The newer of the two spans carries vehicular traffic on U.S. Route 89A (US 89A) over Marble Canyon between Bitter Springs and Jacob Lake, allowing travel into a remote Arizona Strip region north of the Colorado River including the North Rim of Grand Canyon National Park.
One appealing aspect of a Marble Canyon damsite was the potential to develop the Grand Canyon's hydroelectric potential without building a dam or reservoir in Grand Canyon National Park, by diverting about 90% of the Colorado River's waters at Marble Canyon into a 38-mile (61 km) tunnel, 36 feet (11 m) in diameter and capable of carrying about ...
Gore Canyon, elevation 6,985 feet (2,129 m), [1] is a short isolated canyon on the upper Colorado River in southwestern Grand County, Colorado in the United States. Steep and rugged, the approximately 3-mile-long (4.8 km) gorge was carved by the river as it passed the northern end of the Gore Range southwest of Kremmling. The Colorado descends ...
Mitchell Point Tunnel: Columbia River Gorge west of Hood River: automobile, 2 lane: 385: 1915: closed in 1954, demolished in 1966, part of Historic Columbia River Highway: Mosier Twin Tunnels: Columbia River Gorge east of Mosier (near The Dalles) automobile, 2 lane: 350 (combined) 1921: part of Historic Columbia River Highway: Oneonta Tunnel
The Ringbolt Rapids were one of two of the significant hazards to navigation to steamboats, barges, and other shipping when ascending or descending the Colorado River between El Dorado Canyon and Callville, in the 19th century.
The body of a 33-year-old woman who was swept away in flash flooding at the Grand Canyon has been discovered, according to the National Park Service. Chenoa Nickerson of Gilbert, Arizona, had been ...
The Alva B. Adams Tunnel is the principal component of the largest transmountain water project in Colorado, the Colorado-Big Thompson Project (C-BT). The tunnel transfers water from the western slope of the Colorado River drainage to the eastern Front Range of Colorado. It is 13.1 miles (21.1 km) long, with a concrete lined diameter of 9.75 ...