From the record
“The Peshtigo Reef Light is a lighthouse in Marinette County, Wisconsin, United States, offshore in lower Green Bay. Constructed in 1936 to replace a lightship, it remains in service.”
Wikipedia article Peshtigo Reef Light, CC BY-SA 4.0.
One of 12 National Register listings published here for Marinette County · listed in 2007 · category: Structure · built in 1905.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service