From the record
“The Elk Rapids Township Hall is a former government building located on River Street in Elk Rapids, Michigan. It was designated a Michigan State Historic Site in 1973 and listed on the National Register of Historic Places in 1977.”
Wikipedia article Elk Rapids Township Hall, CC BY-SA 4.0.
One of 6 National Register listings published here for Antrim County · listed in 1977 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service