From the record
“The Homer Wilson Ranch, also known as the Blue Creek Ranch, was one of the largest ranches in the early twentieth century in what would become Big Bend National Park in the U.S. state of Texas. The ranch was established by Homer Wilson in 1929 at Oak Springs to the west of the Chisos Mountains.”
Wikipedia article Homer Wilson Ranch, CC BY-SA 4.0.
One of 14 National Register listings published here for Brewster County · listed in 1975 · category: District · built in 1929.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service