From the record
“The Edgar Vernon House, located off U.S. Route 16 in Presho, South Dakota, was listed on the National Register of Historic Places in 1978.”
Wikipedia article Edgar Vernon House, CC BY-SA 4.0.
One of 2 National Register listings published here for Lyman County · listed in 1978 · category: Building · built in 1908, Victorian architecture.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service