From the record
“The Red Bud Historic District is a commercial and residential historic district which includes the originally developed portions of Red Bud, Illinois, United States. The district is centered on Main and Market Streets, the primary roads through the city.”
Wikipedia article Red Bud Historic District, CC BY-SA 4.0.
One of 12 National Register listings published here for Randolph County · listed in 1979 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service