From the record
“The Schilling Ranch Historic District is a tiny portion of a historic ranch in Cochise County, Arizona which was listed on the National Register of Historic Places in 2009. It consists of several structures built in the early to mid-1900s.”
Wikipedia article Schilling Ranch Historic District, CC BY-SA 4.0.
One of 76 National Register listings published here for Cochise County · listed in 2009 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service