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Grand Canyon Adventure: River at Risk is a 2008 American documentary film directed by Greg MacGillivray and narrated by Robert Redford. It was released to IMAX 3D Theaters in 2008. Anthropologist Wade Davis and river advocate Robert F. Kennedy Jr journey down the Colorado River on a two-week expedition to highlight water conservation issues.
In 1962, they were renamed The Grand Canyon Caverns. During the 1962 Cuban Missile Crisis, the U.S. government designated the caverns as a fallout shelter, with supplies for 2,000 people. These supplies remain in the caverns. [3] In 1979, a cosmic ray telescope was installed at Grand Canyon Caverns, 126 feet (38 m) below the surface. [4]
The American Experience: Lost in the Grand Canyon - Companion site to the PBS series about Jown Wesley Powell's Colorado River journey. It includes a timeline, maps, and program information. Stereoviews of Indians and the Colorado River from the J.W. Powell Survey, ca. 1869-1874, The Bancroft Library
Carlsbad Caverns National Park is known for its caves, but there’s a lot more to the national park, which celebrates its centennial this year. Despite its name, there is only one Carlsbad Cavern ...
In “Brave the Wild River: The Untold Story of Two Women Who Mapped the Botany of the Grand Canyon,” science journalist Melissa L. Sevigny draws on the diaries of Elzada Clover and Lois Jotter ...
Linville Falls, a waterfall fed by the river and free to the public. Wiseman's View, a rock outcrop near the center of the gorge that gives an excellent view of the interior of the gorge. Linville Caverns, a privately maintained cave attraction accessible by automobile from U.S. Route 221.
Five people who were stranded about 21 stories underground at Grand Canyon Caverns following an elevator malfunction have been rescued, Arizona officials said.
The Caverns at Natural Bridge; Clarks Cave; Dixie Caverns; Endless Caverns; Gap Cave; Grand Caverns, formerly "Weyer's cave" Indian Jim's Cave; Luray Caverns; Melrose Caverns; Natural Tunnel; Ogdens Cave; Shenandoah Caverns; Skyline Caverns; Stay High Cave; Unthanks Cave
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