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.
Circa 1903. The caption for this glass negative has been misplaced -- who will be the first person to identify this city and its famous thoroughfare? UPDATE: And the answer is, as most guessers correctly guessed, Canal Street in New Orleans! 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.