From the record
“The Augustus and Augusta Gerhart House is a historic house at 321 Iowa Street in Highmore, South Dakota, United States. It is a two-story wood-frame structure, built in 1889 by Christina Grant.”
Wikipedia article Augustus and Augusta Gerhart House, CC BY-SA 4.0.
One of 3 National Register listings published here for Hyde County · listed in 1997 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service