From the record
“The Holt County Courthouse in O'Neill, Nebraska is a historic building that is listed on the National Register of Historic Places.”
Wikipedia article Holt County Courthouse, CC BY-SA 4.0.
One of 9 National Register listings published here for Holt County · listed in 1990 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service



