From the record
“The Arthur and Ellen Colgan House, at 407 Third Street in Edgemont, South Dakota, was listed on the National Register of Historic Places in 2017.”
Wikipedia article Arthur and Ellen Colgan House, CC BY-SA 4.0.
One of 12 National Register listings published here for Fall River County · listed in 2017 · category: Building · built in 1900, Queen Anne style.
Sources: the Wikipedia article · the National Register database, National Park Service

