Tribes contacted by Father De Smet.
The Sioux in the 1840s.
Treaties between the U.S. Government and the Native Americans, and with the cooperation of Father De Smet.
Overview of the Sioux reservation as projected in 1868.
The Sioux reservation today.
The Hell Gate Treaty of 1855.
The global evolution between 1775 and 1894.
The reservations today.