From the record
“Downing station, also known as the Depot Museum, is a historic train station located at Downing, Schuyler County, Missouri. It was built in 1872 by the Keokuk & Western Railroad.”
Wikipedia article Downing station, CC BY-SA 4.0.
One of 2 National Register listings published here for Schuyler County · listed in 1983 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service