Lake Powell AZ Indispensable Glen Canyon Dam Grand Canyon National Park Art

by Reid Callaway

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Lake Powell AZ Indispensable Glen Canyon Dam Grand Canyon National Park Art

Artist

Reid Callaway

Medium

Photograph - Photography

Description

Lake Powell AZ Indispensable....by Reid Callaway
Glen Canyon Dam Glen Canyon Bridge Grand Canyon Art

I'm shooting thru the fence on the arched Glen Canyon Bridge that is the shadow image projected onto the Glen Canyon Dam. We are looking out toward the Glen Canyon National Recreation Area and Lake Powell. Glen Canyon Dam is the second largest concrete-arched dam in the United States. (Hoover Dam which stands 726 feet above bedrock, is 16 feet taller)

Until the adjacent Glen Canyon Bridge was completed, it took a 192 mile drive to reach the other side. The bridge spans 1,271 feet and is about 700 feet above the Colorado River making it the one of the highest bridges in the United States. The Glen Canyon Bridge or Glen Canyon Dam Bridge is a steel arch bridge in Coconino County, Arizona, carrying U.S. Route 89 across the Colorado River. The bridge was originally built to facilitate transportation of materials for the Glen Canyon Dam. The bridge was the highest arch bridge in the world when completed in 1959.

More facts...
Glen Canyon Dam is a concrete arch-gravity dam on the Colorado River in northern Arizona, United States, near the town of Page. The 710-foot (220 m) high dam was built by the U.S. Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powell, one of the largest man-made reservoirs in the U.S. with a capacity of 27 million acre feet (33 km3). The dam is named for Glen Canyon, a series of deep sandstone gorges now flooded by the reservoir; Lake Powell is named for John Wesley Powell, who in 1869 led the first expedition to traverse the Colorado's Grand Canyon by boat.

Since first filling to capacity in 1980, Lake Powell water levels have fluctuated greatly depending on water demand and annual runoff. Operation of Glen Canyon Dam helps ensure an equitable distribution of water between the states of the Upper Colorado River Basin (Colorado, Wyoming, and most of New Mexico and Utah) and the Lower Basin (California, Nevada and most of Arizona). During years of drought, Glen Canyon guarantees a water delivery to the Lower Basin states, without the need for rationing in the Upper Basin. In wet years, it captures extra runoff for future use. The dam is also a major source of hydroelectricity, averaging over 4 billion kilowatt hours per year. The long and winding Lake Powell, known for its scenic beauty and recreational opportunities including houseboating, fishing and water-skiing, attracts millions of tourists each year to the Glen Canyon National Recreation Area.

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March 22nd, 2018

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