From the record
“Olallie Lake Guard Station is a former guard station in the Clackamas ranger district of the Mt. Hood National Forest, in Jefferson County, Oregon.”
Wikipedia article Olallie Lake Guard Station, CC BY-SA 4.0.
One of 120 National Register listings published here for Marion County · listed in 1991 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
