From the record
“Martin's Catholic Church and Grotto is a historic church complex located at 612 Main St in Oelrichs, South Dakota. It features Late 19th and Early 20th Century American Movement architecture and was added to the National Register of Historic Places in 2005.”
Wikipedia article St. Martin's Catholic Church and Grotto, CC BY-SA 4.0.
One of 12 National Register listings published here for Fall River County · listed in 2005 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article