From the record
“Willow Lake, in Macon County, Georgia near Marshallville, Georgia, is a historic house built in 1875-80. It was listed on the National Register of Historic Places in 1980.”
Wikipedia article Willow Lake (Marshallville, Georgia), CC BY-SA 4.0.
One of 17 National Register listings published here for Macon County · listed in 1980 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article