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.
A ride on the tractor was fun, especially when I knew Grandpa would not let me fall. 1957 Kodachrome slide, taken near Blandinsville, Illinois. View full size.