From the record
“The Pocahontas County Courthouse located in Pocahontas, Iowa, United States, was built in 1923. 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 Pocahontas County Courthouse (Iowa), CC BY-SA 4.0.
One of 3 National Register listings published here for Pocahontas County · listed in 1981 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
