58 



THE ANDES OF SOUTHERN PERU 



Whenever streams descend from the snow or woodland coun- 

 try there is water for the stock above and for irrigation on the 

 alluvial fan below. But the spur ends dropping off abruptly sev- 



Fig. 32 — Regional diagram representing the deep eanyoned country west of the 

 Eastern Cordillera in the region of the Apurimac. For photograph see Fig. 94. For 

 further description see note on regional diagrams, p. 51. Numbers 1, 2, and 3 corre- 

 spond in position to the same numbers in Fig. 33. 



eral thousand feet have a limited area and no running streams, 

 and the ground water is hundreds of feet down. There is grass 

 for stock, but there is no water. In some places the stock is driven 



