WATER TRAILS OF THE CERISO 



with an opening flanked by two parallel 

 rows of similar stones, between which were 



FIG. i. 



an arrow placed, touching the opposite rim 

 of the circle, thus (Fig. i), it would point 

 as the crow flies to the spring. It is the 

 old, indubitable water mark of the Sho- 

 shones. One still finds it in the desert 

 ranges in Salt Wells and Mesquite valleys, 

 and along the slopes of Waban. On the 

 other side of Ceriso, where the black rock 

 begins, about a mile from the spring, is the 

 work of an older, forgotten people. The 

 rock hereabout is all volcanic, fracturing 

 with a crystalline whitish surface, but weath- 

 42 



