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More than 5 million visitors flocked to Grand Canyon National Park’s South Rim in 2018. This year marks the centennial of the National Park Service. (Loretta Yerian/NHO)

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"Our stories need to be told," Grand Canyon park enlists Native input as it marks 100 years

The Grand Canyon, carved by water over millions of years, is a geologic wonder that has inspired poets to dream and scientists to ponder.