Great Depression: 170,000 incredible images now online

http://photogrammar.yale.edu/map/

In the 1930s, the U.S. government sent photographers to all the states to capture America “at her most vulnerable.”
President Franklin D. Roosevelt’s team wanted a record of what was going on — and images of real lives and struggles to help rally support for his New Deal policies.

 You have to click on the map to see the photos from that area. Pretty neat...