From 1935-1937 Ruth Monro Augur painted the murals in the Garfield Country Courthouse in Enid, Oklahoma.
This was a WPA art project that saw Ruth spend about 15 months of prep work to research her subjects before she began the murals in December of 1935.
You can see more details at ronbaileyphotography.com
https://www.youtube.com/watch?v=VO0wJxQ_HdM&feature=youtu.be