From the record
“The Sundance School, also known as Old Stoney, was built in 1923 in Sundance, Wyoming to serve both the elementary and the high school students of Crook County School District #1. The two-story sandstone building is one of the largest buildings in Sundance.”
Wikipedia article Sundance School, CC BY-SA 4.0.
One of 10 National Register listings published here for Crook County · listed in 1985 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
