From the record
“The Ontonagon Harbor Piers Historic District is historic shipping structure located on the Ontonagon River at Lake Superior in Ontonagon, Michigan. It was listed on the National Register of Historic Places in 2001.”
Wikipedia article Ontonagon Harbor Piers Historic District, CC BY-SA 4.0.
One of 6 National Register listings published here for Ontonagon County · listed in 2001 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service


