From the record
“Peter's Catholic Church is a parish of the Diocese of Sioux Falls based in Jefferson, South Dakota. Its church building at 400 Main Street was built in 1891 and was added to the National Register of Historic Places in 1989.”
Wikipedia article St. Peter's Catholic Church (Jefferson, South Dakota), CC BY-SA 4.0.
One of 16 National Register listings published here for Union County · listed in 1989 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article