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.) Most 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.

January 1943. Indiana Harbor Belt switch engine near Calumet Park stockyards at Calumet City, Ill. View full size. 4x5 Kodachrome transparency by Jack Delano.
What a great picture!! This is going to my screen saver.