From the record
“The Ocean Wave was a scow schooner that sank in Lake Michigan off the coast of Door County, Wisconsin, United States. In 2006 the shipwreck site was added to the National Register of Historic Places.”
Wikipedia article Ocean Wave (shipwreck), CC BY-SA 4.0.
One of 68 National Register listings published here for Door County · listed in 2006 · category: Site.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service