From the record
“The CA Bar Ranch, in Chaves County, New Mexico near Mayhill, New Mexico, was built in 1886. It was listed on the National Register of Historic Places in 1988.”
Wikipedia article CA Bar Ranch, CC BY-SA 4.0.
One of 22 National Register listings published here for Chaves County · listed in 1988 · category: Building · built in 1886.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service