Fort Dufferin
Emerson – Franklin, Canada
Fort Dufferin is a former Canadian government post near the Canada–United States border at Emerson, Manitoba. The fort was used during the 1870s as a base for the North American Boundary Commission and the North-West Mounted Police (NWMP), and as an immigration station. It was designated a national historic site of Canada in 1937.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).