Related Information
Cession Number
620
Nations as named in historic documents
Present-day Nations
Sept. 17, 1851
April 12, 1870
July 13, 1880
Treaties related via shared date(s)
Historic Maps
Map Name
Thumbnail
![Historic Map of Dakota 1](https://tile.loc.gov/image-services/iiif/service:gmd:gmd370m:g3701m:g3701em:gct00002:ca000011/full/200,/0/default.jpg)
Map Name
Thumbnail
![Historic Map of Montana 1](https://tile.loc.gov/image-services/iiif/service:gmd:gmd370m:g3701m:g3701em:gct00002:ca000039/full/200,/0/default.jpg)