From the record
“The Linn County Courthouse is a historic courthouse at 108 High Street in Linneus, Missouri. It was built in 1912-1913 and is a three-story, cubic-form Beaux-Arts-style building constructed of concrete, stone and brick.”
Wikipedia article Linn County Courthouse (Missouri), CC BY-SA 4.0.
One of 9 National Register listings published here for Linn County · listed in 1999 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

