From the record
“Yawkey Boathouse is located in Hazelhurst, Wisconsin, United States. It was added to the National Register of Historic Places in 2009.”
Wikipedia article William H. Yawkey Boathouse, CC BY-SA 4.0.
One of 20 National Register listings published here for Oneida County · listed in 2009 · category: Building · built in 1917, American Craftsman.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service