A hay-loading machine helps get the hay onto the wagon - but the wagon is still drawn by mules. 1938, Arkansas.
Photo by Lee Russell. [American Memory link]
Showcasing some of the 160,000 images taken between 1935 and 1944 by government-hired photographers. (If you were to look at 100 of them per day, every day, you'd need more than four years to view them all).