From the record
“The Delavan Commercial Historic District is a historic district in downtown Delavan, Illinois. The district includes 26 buildings along two blocks of Locust Street, 20 of which are contributing buildings.”
Wikipedia article Delavan Commercial Historic District, CC BY-SA 4.0.
One of 16 National Register listings published here for Tazewell County · listed in 1991 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service


