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.
Vintage photos of:
November 1942. "Utah Copper -- Bingham Mine. Part of the open-pit workings of the Utah Copper Company at Bingham Canyon, Utah. The steam locomotive is bringing in empty ore cars from the Utah Copper mills at Magna and Arthur." Photo by Andreas Feininger for the Office of War Information. View full size.