From the record
“Mogollon, also called the Mogollon Historic District, is a former mining town located in the Mogollon Mountains in Catron County, New Mexico, United States. Located east of Glenwood and Alma, it was founded in the 1880s at the bottom of Silver Creek Canyon to support the gold and silver mines in the surrounding mountains.”
Wikipedia article Mogollon, New Mexico, CC BY-SA 4.0.
One of 7 National Register listings published here for Catron County · listed in 1987 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article