X
Treaties
Louisiana Purchase

Counties per Cession
Cession
Cession 409
Counties
Gregory, Lyman, Tripp

Cession
Cession 410
Counties
Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo, Charles Mix, Clark, Clay, Davison, Douglas, Faulk, Hamlin, Hand, Hanson, Hughes, Hutchinson, Hyde, Jerauld, Kingsbury, Lake, Lincoln

Cession
Cession 411
Counties
Charles Mix

Cession
Cession 440
Counties
Brown, Redwood, Yellow Medicine, Grant, Roberts

Cession
Cession 443
Counties
Brule, Buffalo

Cession
Cession 468
Counties
Buffalo, Hand, Hughes, Hyde

Cession
Cession 496
Counties
Richland, Sargent, Codington, Day, Grant, Marshall, Roberts

Cession
Cession 523
Counties
Beadle, Brookings, Clark, Codington, Hamlin, Kingsbury, Lake, Miner, Moody, Sanborn, Spink

Cession
Cession 538
Counties
Barnes, Benson, Cass, Dickey, Eddy, Foster, Griggs, Nelson, Ramsey, Richland, Sargent, Stutsman, Wells, Brown, Codington, Day, Marshall

Cession
Cession 597
Counties
Carter, Fallon, Powder River, Box Butte, Cherry, Dawes, Sheridan, Sioux, Butte, Custer, Fall River, Harding, Lawrence, Pennington, Campbell, Converse, Crook, Goshen, Johnson, Natrona

Cession
Cession 598
Counties
Butte, Custer, Fall River, Harding, Lawrence, Meade, Pennington

Cession
Cession 613
Counties
Brown, Spink

Cession
Cession 614
Counties
Emmons, McIntosh, Brule, Buffalo, Campbell, Charles Mix, Edmunds, Faulk, Hand, Hughes, Hyde, McPherson, Potter, Sully, Walworth

Cession
Cession 632
Counties
Bennett, Corson, Dewey, Haakon, Jackson, Jones, Lyman, Mellette, Perkins, Stanley, Todd, Tripp, Ziebach

Cession
Cession 653
Counties
Emmons, Campbell, Sully, Walworth

Cession
Cession 699
Counties
Adams, Butte, Haakon, Harding, Jackson, Jones, Lyman, Meade, Pennington, Perkins, Stanley

Cession
Cession 700
Counties
Bennett, Mellette

Cession
Cession 701
Counties
Bennett, Gregory, Mellette, Todd, Tripp

Cession
Cession 702
Counties
Grant, Sioux, Corson, Perkins

Cession
Cession 703
Counties
Corson, Dewey, Ziebach

Cession
Cession 704
Counties
Lyman, Stanley

Cession
Cession 705
Counties
Buffalo, Hughes, Hyde

Cession
Cession 711
Counties
Stanley