From the record
“The Stannard Rock Light is a lighthouse located on a reef that was the most serious hazard to navigation on Lake Superior. The exposed crib of the Stannard Rock Light is rated as one of the top ten engineering feats in the United States.”
Wikipedia article Stannard Rock Light, CC BY-SA 4.0.
One of 40 National Register listings published here for Marquette County · listed in 1973 · category: Building · built in 1883, by Orlando Metcalfe Poe, Godfrey Weitzel.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service