From the record
“The Mount Pulaski Courthouse State Historic Site is a historic county courthouse located in Mount Pulaski, Illinois, United States. It was the county seat of Logan County from 1848 until 1855.”
Wikipedia article Mount Pulaski Courthouse State Historic Site, CC BY-SA 4.0.
One of 12 National Register listings published here for Logan County · listed in 1978 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

