This was built quite late for a New Deal post office. A testament to the construction methods and workmanship, many of the post offices built during the Great Depression and World War II are still in use.
Blackshear Post Office, 1944
Vanishing Georgia: Photographs by Brian Brown
Since 2008. A visual survey of Georgia's historic architecture and culture. 9,000 locations. 30,000 images.
Very similar postoffice in Madison, Ga – it has a “fallout shelter.” Here is a photo: http://www.flickr.com/photos/robertlz/3364451718/in/photostream/
Identical to one built in Adel, Ga. Had fallout shelter too !! Now used as Cook County Museum.