From the record
“The Sunflower Ranger Station, also known as Sunflower Administrative Site or Sycamore Ranger Station, in Tonto National Forest in the Sunflower district near Punkin Center, Arizona was built in 1935 by the Civilian Conservation Corps. It was listed on the National Register of Historic Places in 1993 for its architecture, which is Bungalow/Craftsman in style.”
Wikipedia article Sunflower Ranger Station, CC BY-SA 4.0.
One of 467 National Register listings published here for Maricopa County · listed in 1993 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service