From the record
“The William Treadwell House, also known as the Bruce Coleman House, is a private house located at 446 North Meridian Road in Hudson, Michigan. It was designated a Michigan State Historic Site and listed on the National Register of Historic Places in 1974.”
Wikipedia article William Treadwell House, CC BY-SA 4.0.
One of 9 National Register listings published here for Hillsdale County · listed in 1974 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service