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The humpback chub is an endangered native fish.

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Grand Canyon needs a good flood ...

Releases from Glen Canyon Dam aim to improve Colorado River

WASHINGTON – The Interior Department said it will test high-volume water releases from the Glen Canyon Dam in an effort to simulate natural flooding and improve sediment flow through the Grand Canyon. Interior Secretary Ken Salazar also announced Wednesday that the department will remove and relocate, rather than destroy, non-native fish species in the Colorado River as part of a long-term study on the river. “We’re protecting one of world’s most treasured landscapes,” said Salazar, who called the Colorado the “lifeblood” of the region for the water and power it provides.

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