From the record
“The Teton County Courthouse is a building in Driggs, Idaho which was listed on the National Register of Historic Places in 1987.”
Wikipedia article Teton County Courthouse (Idaho), CC BY-SA 4.0.
One of 5 National Register listings published here for Teton County · listed in 1987 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

