From the record
“The Chase County Courthouse in Cottonwood Falls, Kansas, was built in 1873 and is the oldest operating courthouse in Kansas.”
Wikipedia article Chase County Courthouse (Kansas), CC BY-SA 4.0.
One of 21 National Register listings published here for Chase County · listed in 1971 · category: Building · built in 1873, Renaissance Revival architecture, by John G. Haskell.
Sources: the Wikipedia article · the National Register database, National Park Service



