From the record
“The Rosebud County Courthouse, located on Main St. between 12th and 13th Avenues in Forsyth in Rosebud County, Montana, was built in 1913. It was listed on the National Register of Historic Places in 1986.”
Wikipedia article Rosebud County Courthouse, CC BY-SA 4.0.
One of 22 National Register listings published here for Rosebud County · listed in 1986 · category: Building · built in 1913, Neoclassical architecture, by Link & Haire.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

