 The French explorer Daniel Greysolon, Sieur du Lhut, whose name is sometimes anglicized as "DuLuth", explored the Saint Louis River in 1679.After 1792 and the independence of the United States, the North West Company established several posts on Minnesota rivers and lakes, and in areas to the west and northwest, for trading with the Ojibwe, the Dakota, and other native tribes.The first post was where Superior, Wisconsin, later developed.