From the record
“The Cayton Guard Station or Cayton Ranger Station, in White River National Forest about 18 miles (29 km) south of Silt, Colorado, was built in 1910. It was listed on the National Register of Historic Places in 2005.”
Wikipedia article Cayton Guard Station, CC BY-SA 4.0.
One of 33 National Register listings published here for Mesa County · listed in 2005 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service