- Post Office - Seneca KSBuilt in 1938.
- Post Office Mural - Seneca KS"New Deal mural entitled "Men & Wheat" painted by Joe Jones in 1940. Mr Jones also painted murals for the post offices in Charleston & Dexter, MO; Anthony, KS and Magnolia, AR. All the murals depict a harvest scene and all but Dexter depict wheat harvesting."