From the record
“Sherman City Union Church is a historic church at 11429 West Vernon Road in Sherman City, Michigan. It was designated a Michigan State Historic Site in 1979 and listed on the National Register of Historic Places in 2004.”
Wikipedia article Sherman City Union Church, CC BY-SA 4.0.
One of 6 National Register listings published here for Isabella County · listed in 2004 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service