From the record
“The Kirby Jail and Town Hall is a historic building located at 120 E. 4th St. in Kirby, Wyoming. Built in 1915, the building was the first and only town building constructed in Kirby, which incorporated the same year.”
Wikipedia article Kirby Jail and Town Hall, CC BY-SA 4.0.
One of 12 National Register listings published here for Hot Springs County · listed in 2011 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service