From the record
“Height of Land Portage is a historic portage route between the Embarrass River and the Pike River in St. The 4.6-mile (7.4 km) route crosses the Laurentian Divide, providing access between the Hudson Bay drainage basin and the Great Lakes Basin.”
Wikipedia article Height of Land Portage (St. Louis County), CC BY-SA 4.0.
One of 126 National Register listings published here for St. Louis County · listed in 1992 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service


