Photof/raph by E. H. Morris 

 III or<ltr to discover as ni;niy as i>ossililc of tlie small and fragmentary artifacts, such as beads, in the 

 floor debris, it is necessary to run this through one or more screens. Beyond the screen (in the photo- 

 graph), running toward the Animas River, may be seen the expedition's winding tramway grade. In 

 the distance rise the Knickerbocker Mountains 



Photograph by N. C. Nelson 

 The excavation of Aztec was begun at the southeast corner of the ruin, the debris being taken to 

 a distance by means of a tramway 



92 



