Ratified Indian Treaty 139: Sioux, Chippewa, Sauk and Fox, Menominee, Iowa, Winnebago, and Part of Ottawa, Chippewa and Potawatomi of Illinois - Prairie du Chien, Michigan Territory, August 19, 1825
Ratified Indian Treaty 159: Sauk and Fox, Sioux (Mdewakanton, Wahpacoota, Wahpeton, Sisseton, Yankton and Santee), Omaha, Iowa, Oto and Missouri - Prairie du Chien, Michigan Territory, July 15, 1830
Ratified Indian Treaty 216: Sauk and Fox - Treaty Ground on the Mississippi Opposite Rock Island, Dubuque County, Wisconsin Territory, September 28, 1836
Ratified Indian Treaty 43: Sauk and Fox - St. Louis in the District of Louisiana, November 3, 1804
Cession: 50
Cession: 51
Cession: 69
Ratified Indian Treaty 119: Sauk and Fox - Fort Armstrong, September 3, 1822
Ratified Indian Treaty 121: Sauk and Fox - Washington, DC, August 4, 1824
Cession: 120
Ratified Indian Treaty 139: Sioux, Chippewa, Sauk and Fox, Menominee, Iowa, Winnebago, and Part of Ottawa, Chippewa and Potawatomi of Illinois - Prairie du Chien, Michigan Territory, August 19, 1825
Ratified Indian Treaty 159: Sauk and Fox, Sioux (Mdewakanton, Wahpacoota, Wahpeton, Sisseton, Yankton and Santee), Omaha, Iowa, Oto and Missouri - Prairie du Chien, Michigan Territory, July 15, 1830
Cession: 151
Cession: 152
Cession: 153
Cession: 154
Cession: 155
Cession: 292
Ratified Indian Treaty 170: Sauk and Fox - Fort Armstrong, Rock Island, Illinois, September 21, 1832
Cession: 175
Cession: 226
Ratified Indian Treaty 211: Iowa and Sauk and Fox of the Missouri (West of Missouri) - Fort Leavenworth, September 17, 1836
Ratified Indian Treaty 216: Sauk and Fox - Treaty Ground on the Mississippi Opposite Rock Island, Dubuque County, Wisconsin Territory, September 28, 1836
Ratified Indian Treaty 225: Sauk and Fox (Confederated Tribes) - Washington, DC, October 21, 1837
Ratified Indian Treaty 227: Sauk and Fox of Missouri - Washington, DC, October 21, 1837
Cession: 244
Ratified Indian Treaty 243: Sauk and Fox - Sauk and Fox Agency, Iowa Territory, October 11, 1842
Cession: 262
Ratified Indian Treaty 271: Sauk and Fox of Missouri - Washington, DC, May 18, 1854
Ratified Indian Treaty 311: Chippewa of Swan Creek and Black River, and Munsee or Christian - Sauk and Fox Agency, Kansas Territory - July 16, 1859
Ratified Indian Treaty 312: Sauk and Fox - Sauk and Fox Agency, Kansas Territory, October 1, 1859
Ratified Indian Treaty 316: Sauk and Fox of the Missouri and Iowa - Great Nemaha Agency, Nebraska Territory, March 6, 1861
Ratified Indian Treaty 359: Sauk and Fox of the Mississippi - Washington, DC, February 18, 1867