- Post Office - Crystal Springs MSThe Crystal Springs post office building was built in 1940-41 by the US Treasury Department in the Colonial Revival style. Features include twin wooden Tuscan columns on either side of the front doors, wooden vestibule, terrazzo floor, and marble wainscoting.
- Post Office - Tylertown MSAnother Colonial Revival style post office built under the New Deal is the Tylertown post office. It was constructed in 1940, the last of the five post offices built between 1931-1940 by the Columbia & Hattiesburg firm of Dye & Mulling. It contains a mural by Lucile Blanch, "Rural Mississippi--From Early Days to Present" that was completed in 1941.