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Feds flood Grand Canyon to distribute sediment

PAGE, Ariz. -- The Department of the Interior has started another high-flow release from Glen Canyon Dam in northern Arizona.

It's the second release under an innovative science-based experimental plan approved in May 2012.

The goal of the releases is to help restore the environment in Grand Canyon National Park and Glen Canyon National Recreation Area while continuing to meet water and power needs and allowing continued scientific experimentation and monitoring on the Colorado River.

The 96-hour-release will pick up enough sand from river channels to fill a building as big as a football field and as tall as the Washington Monument, all the way to the brim.

The hundreds of thousands of tons of sediment from river channels will be re-deposited along downstream reaches as sandbars and beaches along the Colorado River.

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