1859-60; 1862. This and the photograph above are the earliest photos of the South Building.
Photogreaph mounted in Vol.1 of Désiré Charnay, Cités et Ruines Américaines, 1862; taken by Charnay 1859-60. This image scanned from a 35mm slide taken from a copy in the AMNH (RF-106-D). Reproduced Courtesy of The Library, Special Collections, American Museum of Natural History.