From the record
“The Chatter Creek Guard Station is a Rustic style set of buildings in Wenatchee National Forest, in Leavenworth, Washington. It was designed by the USDA Forest Service Architecture Group and built by the Civilian Conservation Corps.”
Wikipedia article Chatter Creek Guard Station, CC BY-SA 4.0.
One of 46 National Register listings published here for Chelan County · listed in 1986 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service