Ceiling poles of the Hyde Expedition's "old dark room" extended through its 

 north wall : open door of Room 200, at left. 



Empty beam holes in Room 299B (right center) are about 2 feet lower than those of 

 Room 297B, next on the left. At lower right, the broken north door of Room 301. 



(Photographs by Victor Mindeleff, 1887. Courtesy of the Smithsonian Institution.) 



Plate 26 



