1859-60; 1862. Earliest photo of North Building, showing best-surviving portion; at the right are the central doorway and largest mask stack.
Photograph taken by Charnay 1859-60, mounted in Vol.1 of Désiré Charnay, Cités et Ruines Américaines, 1862. This image scanned from a 35mm slide taken from the copy in the AMNH (RF-106-D). Reproduced Courtesy of The Library, Special Collections, American Museum of Natural History.