Hartsville Post Office is located in South Carolina

Hartsville Post Office, also known as the Hartsville Memorial Library and Hartsville Museum, is a historic post office building located at Hartsville, Darlington County, South Carolina. It was built in 1930, and designed under the supervision of James A. Wetmore, Office of the Supervising Architect, United States Department of the Treasury. It is a one-story, five bay, brick Colonial Revival style building. It has a rectangular plan and flat roof with parapet. The symmetrical façade features large arched window openings with decorative keystones. This building served as Hartsville’s post office until 1963, when a new post office was built.^[3]

• http://en.wikipedia.org/wiki/Hartsville Post Office