From the record
“The Boone County Courthouse, located in Boone, Iowa, United States, was built in 1917. It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource.”
Wikipedia article Boone County Courthouse (Iowa), CC BY-SA 4.0.
One of 19 National Register listings published here for Boone County · listed in 1981 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service





