Colorado
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Black Canyon of the Gunnison National Park in Colorado. The canyon carved by the Gunnison River was established as a U.S. National Monument on March 2, 1933 and made into a National Park on October 21, 1999.
Black Canyon of the Gunnison National Park in Colorado. The canyon carved by the Gunnison River was established as a U.S. National Monument on March 2, 1933 and made into a National Park on October 21, 1999.
