U.S. Highway 12 once crossed the St. Croix River on a toll bridge between Wisconsin and Minnesota, which provided revenue for the town. With the construction of Interstate 94, the toll bridge was removed, though the long causeway extending to the former bridge location is now open to the public as a pedestrian walkway, known as “The Dike”.
The Vashon Glaciation is an extension of the Fraser Glaciation in which the Cordilleran Ice Sheet advanced south of the present day Canada–United States border into the Puget Sound region.