Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.

August 1936. "Migrant cotton pickers at lunchtime. Near Robstown, Texas." Medium-format nitrate negative by Dorothea Lange. View full size.
you can see in those faces. From the oldest to the youngest.
Another great photo Dave. Could be from my family album...