From the record
“The Colfax County Courthouse in Springer, New Mexico, is a building on the National Register of Historic Places that was used as a seat of county government for Colfax County, New Mexico from 1881 until 1897. The building is located at 614 Maxwell Avenue, Springer, NM 87747, and today it houses a museum devoted to the Santa Fe Trail.”
Wikipedia article Colfax County Courthouse (Springer, New Mexico), CC BY-SA 4.0.
One of 30 National Register listings published here for Colfax County · listed in 1987 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article