Black canyon of the Gunnison By Kendall B Miller Nov 11, 1812 John WIlliam Gunnison birth 1816 Black canyon was discoverd 1853 Gunnison expedition Jun 17, 1902 Reclamation act was passed 1905 Transferring water from the Gunnison river 1909 The tunnel they were creating finally met in the middle Mar 2, 1933 Became a U.S. National monument on March 2, 1933 Oct 21, 1999 Became a National Park on October 21, 1999 2012 One of the highest visitor rates in a year 2016 238,018 visitors
