From the record
“The Water Tower is located in Rock Island State Park on Rock Island in the town of Washington, Wisconsin.”
Wikipedia article Water Tower (Rock Island, Wisconsin), CC BY-SA 4.0.
One of 68 National Register listings published here for Door County · listed in 1985 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article

