Arizona Governor Seeks Investigation of Federal Handling of Grand Canyon Fire

Gov. Katie Hobbs questioned why the U.S. government decided to manage the Dragon Bravo fire, which started with a lightning strike, as a “controlled burn” during the height of the summer.

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A Grand Canyon Access Point Is Closed as 19,000 Acres Burn Nearby

Access via the North Rim, a lesser-used gateway to the national park, was closed as the White Sage fire continued to burn on Saturday.

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How Safe Are Helicopter Sightseeing Tours?

The F.A.A. allows many of these popular flights to operate under less stringent rules than other commercial aviation, opening the door to dangers like pilot fatigue.

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Firings Squeeze National Parks: ‘You Won’t Have the Full Experience’

With 1,000 full-time employees out, and the fate of thousands more seasonal workers unclear, tours are being canceled and some wonder who will empty the trash.

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Grand Canyons on the Moon Were Made in a Matter of Minutes

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which are each about the size of Earth’s Grand Canyon.

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