From the record
“The DeTour Reef Light is a non-profit-operated lighthouse marking the southern entrance of the DeTour Passage between the eastern end of Michigan's Upper Peninsula and Drummond Island. The light is an automated active aid to navigation.”
Wikipedia article DeTour Reef Light, CC BY-SA 4.0.
One of 26 National Register listings published here for Chippewa County · listed in 2005 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
