From the record
“The Alley Spring Roller Mill, also known as Red Mill, is a historic grist mill located in the Ozark National Scenic Riverways near Eminence, Shannon County, Missouri. It was built in 1893, and is a 2 1/2-story, rectangular frame building on a limestone block foundation.”
Wikipedia article Alley Spring Roller Mill, CC BY-SA 4.0.
One of 8 National Register listings published here for Shannon County · listed in 1981 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service