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.
Birmingham, Alabama, circa 1906. "Sloss City furnaces." Four years later, our site's namesake, Shorpy Higginbotham, would be working for the Sloss-Sheffield Iron Co. at nearby Bessie Mine, helping to supply coal for the furnaces at this steel mill. 8x10 inch glass negative, Detroit Publishing Co. View full size.