Nicollet County Historical Society 

The Treaty Site History Center is located at 1851 N. Minnesota Avenue, one mile north of downtown Saint Peter at Highways 169 and 22, across from the Mankato Clinic. Lot parking.

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About

Learn why the area of Traverse des Sioux was a gateway and a gathering place for thousands of years. During your visit immerse yourself in elements of Dakota culture and prairie life, and examine aspects of the Traverse des Sioux Treaty of 1851. The Treaty Site History Center is the headquarters of the Nicollet County Historical Society.

Highlights include:
- Features a national award-winning exhibit on the Traverse des Sioux Treaty of 1851
- Over 6,000 square feet of exhibits
- Museum store
- Full-service research library

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