From the record
“The John and Katharine Tunkun Podjun Farm is a farm located at 9582 East 1 Mile Road in Luther, Michigan. It was listed on the National Register of Historic Places in 2002.”
Wikipedia article John and Katharine Tunkun Podjun Farm, CC BY-SA 4.0.
One of 4 National Register listings published here for Lake County · listed in 2002 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service