Fort Union Trading Post was the most important fur trading post on the upper Missouri from 1828 to 1867. At this post, the Assiniboine, Crow, Cree, Ojibway, Blackfeet, Hidatsa, and other tribes tra... More on recreation.gov
This reconstructed fort on the North Dakota/Montana border was the most important fur trading post on the upper Missouri from 1828 to 1867. At this post, the Assiniboine, Crow, Cree, Ojibway, Black... More on Heritage

