From the record
“The Clay Butte Lookout is a forest fire lookout in Park County, Wyoming. It was listed on the National Register of Historic Places in 2014.”
Wikipedia article Clay Butte Lookout, CC BY-SA 4.0.
One of 38 National Register listings published here for Park County · listed in 2014 · category: Structure · built in 1943.
Sources: the Wikipedia article · the National Register database, National Park Service