Related Information

Cession Number
620
Nations as named in historic documents
Arikara
Gros Ventre
Mandan
Present-day Nations
Fort Belknap Indian Community of the Fort Belknap Reservation of Montana
Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota
Sept. 17, 1851
Royce’s Schedule of Indian Land Cessions (Sept. 17, 1851)
Treaty entry in Charles J. Kappler Indian Affairs: Laws and Treaties (link)
April 12, 1870
Royce’s Schedule of Indian Land Cessions (April 12, 1870)
July 13, 1880
Royce’s Schedule of Indian Land Cessions (July 13, 1880)
Treaties related via shared date(s)
Historic Maps
Map Name
Dakota 1
Source URL
https://www.loc.gov/resource/g3701em.gct00002/?sp=11
Thumbnail
Historic Map of Dakota 1
Map Name
Montana 1
Source URL
https://www.loc.gov/resource/g3701em.gct00002/?sp=39
Thumbnail
Historic Map of Montana 1