From the record
“Thorntown Public Library is a historic Carnegie library located at Thorntown, Indiana. It was built in 1914-1915, and is a one-story, three-bay, brown brick building with a red clay tile hipped roof.”
Wikipedia article Thorntown Public Library, CC BY-SA 4.0.
One of 13 National Register listings published here for Boone County · listed in 1986 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service