From the record
“Crow Wing State Park is a state park of Minnesota, United States, at the confluence of the Mississippi and Crow Wing Rivers. The park interprets the site of Old Crow Wing, one of the most populous towns in Minnesota in the 1850s and 1860s.”
Wikipedia article Crow Wing State Park, CC BY-SA 4.0.
One of 13 National Register listings published here for Cass County · listed in 1970 · category: Site · built in 1959.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service