From the record
“The Bird Octagonal Mule Barn, in Shelby County near Cropper, Kentucky, was built in about 1880. It was listed on the National Register of Historic Places in 1988.”
Wikipedia article Bird Octagonal Mule Barn, CC BY-SA 4.0.
One of 142 National Register listings published here for Shelby County · listed in 1988 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service



