The Hildebrand Mill on Flint Creek in Colcord, Delaware County, Oklahoma was built c. 1845 and served hill people of the Old Cherokee Nation territory for more than 125 years. It is located not far from Siloam Springs, Arkansas. It was listed on the National Register of Historic Places in 1972.
(Photo by Library of Congress, Prints & Photographs Division, OKLA,21-FLINT.V,1A-1)