From the record
“The Harding County Courthouse, located on Pine St. in Mosquero, is the county courthouse in Harding County, New Mexico. The courthouse was completed in 1922; while the building had existed previously as a school, it was extensively remodeled to become the county courthouse.”
Wikipedia article Harding County Courthouse, CC BY-SA 4.0.
One of 2 National Register listings published here for Harding County · listed in 1987 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service