BULL. GEOL. SOC. AM. 



VOL. 14, 1902, PL. 41 



FiGrRE 1. — Cleft near Escarpment of North Pilot Mesj 

 Probably caused bj' a spring 



Figure 2.— North Table and South Table 

 As viewed from North Pilot mesa; North Table in center and Soutii Table on extreme left 



CLEFT NEAR ESCARPMENT AND NORTH AND SOUTH TABLE 



