This is a scan from a railroad and automobile map of Missouri copyrighted without a date by Rand McNally. I suspect this map was published in the early 1920's because the auto map on the back does not show route numbers, which were assigned quickly after the Centennial Law was passed in 1921 authorizing funding for the state highway system.
I've chopped the scan into pieces for easier downloading. These are from the front side of the map showing railroads, placenames, civil townships, and survey townships.