Glen Canyon Dam, a concrete arch dam on the Colorado River in the American state of Arizona, is viewed as carrying a large amount of risk, most notably...

Glen Canyon Dam is a concrete arch-gravity dam in the southwestern United States, located on the Colorado River in northern Arizona, near the city of...

joins the Colorado from the east. The Colorado then enters northern Arizona, where since the 1960s Glen Canyon Dam near Page has flooded the Glen Canyon reach...

The canyon's ecosystem was permanently changed after the construction of the Glen Canyon Dam in 1963. Average flood levels dropped from 85,000 to 8...

by the Army Corps of Engineers. In the Desert Southwest, dams can change the nature of the river ecosystem. In the particular case of the Glen Canyon Dam...

Utah Rocky Mountains. Inflows to the lake are largely moderated by the upstream Glen Canyon Dam, which is required to release around 8.23 million acre-feet...

past, another crossing was the former Glen Canyon reach, but it is now flooded under Lake Powell, formed by Glen Canyon Dam 16 miles (26 km) upstream....

Stone Canyon Reservoir and Upper Stone Canyon Reservoir are adjoining reservoirs in the Westside region of Los Angeles, California. Situated in the Santa...

lead to scouring of river beds and loss of riverbanks; for example, the daily cyclic flow variation caused by the Glen Canyon Dam was a contributor to sand...

Dam started to impound Lake Mead south of the canyon. Conservationists lost a battle to save upstream Glen Canyon from becoming a reservoir. The Glen...

modifications of dam operations at Hoover and Glen Canyon to respond to deepening drought conditions. The Bureau of Reclamation must decide how to manage the system...

work and contributions to more than 70 others. In those following he was the primary illustrator: 2009: The Ghosts of Glen Canyon: History Beneath Lake...

San Gabriel Dam, and runs along the east wall of the San Gabriel Canyon to a point just north of Azusa adjacent to the San Gabriel Canyon spreading grounds...

increase health risks for tribal members, and harm the West Coast fishing industry. Seven species of fish are threatened by the dams. The dam removal has...

taken in the final months before its flooding by the Glen Canyon Dam, in which Abbey notes that many of the natural wonders encountered on the journey...

Auburn Dam was a proposed concrete arch dam on the North Fork of the American River east of the town of Auburn, California, in the United States, on the border...

of the Grand Canyon National Monument is a United States national monument that protects about 900,000 acres (3,600 km2) surrounding the Grand Canyon in...

The majority of the valley falls within the Blue Mountains National Park. The Grose Wilderness contains some of the most dramatic gorge and canyon landscapes...

error at Glen Canyon coupled with the relentless flooding, the dam at Glen Canyon very nearly failed, which would have emptied Lake Powell (the second-largest...

the limited-edition book Sierra Nevada: The John Muir Trail in 1938, as part of the Sierra Club's efforts to secure the designation of Kings Canyon as...

town in the 1960s that attracted workers from across the country for the construction of the Glen Canyon Dam, the second-largest dam in the United States...

The Waldo Canyon fire was a forest fire that started approximately 4 miles (6.4 km) northwest of Colorado Springs, Colorado on June 23, 2012, and was declared...

parts of the Los Angeles Basin. The Colorado River Aqueduct begins at Lake Havasu, just north of Parker Dam, and travels 242 miles (389 km) west to Lake Mathews...

referred to as the Domínguez–Escalante expedition, Escalante and his companions passed by the Grand Canyon and were the first white men to enter Utah...

development in the national parks ("national parking lots"), rails against the Glen Canyon Dam, and comments on various other subjects.[citation needed] In 1973...

Congress to delete Echo Park Dam from the Colorado River Storage Project in 1955, but had to agree on an alternative dam site at Glen Canyon Dam. They went...

could control the Colorado River's flow and stop the flooding, but the river was effectively dammed in the early part of 1907 and returned to its normal...

Hoover Dam. Imperial Dam, built in 1938, serves as a desilting dam for water entering the irrigation canals. In the 1950s and into the 1960s, the communities...

Cortez. The flow of fresh water to the mouth of the Colorado since the completion of the Hoover and Glen Canyon dams has been only about 4% of the average...

ash, then formed the uranium-containing Chinle Formation. The members of the Glen Canyon Group were all laid down in the middle- to late-Triassic during...