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John WIlliam Gunnison birth
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Black canyon was discoverd
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Gunnison expedition
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Reclamation act was passed
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Transferring water from the Gunnison river
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The tunnel they were creating finally met in the middle
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Became a U.S. National monument on March 2, 1933
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Became a National Park on October 21, 1999
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One of the highest visitor rates in a year
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238,018 visitors