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Map showing the boundaries and dates of land taken from Indigenous nations via a series of treaties and agreements, 1861-80. A black "R" indicates the year the land was designated as a reservation for one or more Indigenous nations. The only Indigenous reservations in Colorado today are the Southern Ute Tribe and Ute Mountain Ute Tribe reservations, formed in the state's southwest corner in 1880.
August 28, 2022
US Gen Web Archives
Base map is public domain via US Government.