From the record
“The Marshallville Commercial District in Marshallville, Georgia is a 7.5 acres (3.0 ha) historic district which was listed on the National Register of Historic Places in 1980.”
Wikipedia article Marshallville Commercial District, CC BY-SA 4.0.
One of 17 National Register listings published here for Macon County · listed in 1980 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service