NO. lO 



SMITHSONIAN EXPLORATIONS, I923 



75 



struction of the later dwellings were altered and the Puehlo Bonito 

 of to-day affords evidence of the extent of these alterations. 



After the northern group of hahitations had heen examined, the east 

 court was cleared of dehris to a point corresponding with its last 



1 ii.. Ji. — l■lxle^^i\c■ repairs have hccn riiade to strengthcMi the sliattered 

 walls of prehistoric Pueblo Bonito and preserve its masonr}' for future 

 generations. Four stories are evident in this particular view. (Photograph 

 by Neil M. Judd. Courtesy of the National Geographic Society.) 



level of occupancy. Earlier levels were disclosed heneath the latest one 

 and the exploratory trenches also exposed the partially razed walls of 

 several abandoned kivas. The depth of these now hidden structures 

 furnishes abundant proof of the antiquity of Pueblo Bonito and the 

 length of the period during which it was occupied. 



