FIGURE 68. GULLIED SLOPE IN CALIFORNIA, APPROXIMATELY 75 FEET IN 

 HEIGHT. PHOTOGRAPH BY F. G. RENNER. 





- ...fit 10 



fill 



1 .-/ fJfh f 7 



FIGURE 69. GULLIED SLOPE IN CALIFORNIA, ABOUT 3OO FEET IN HEIGHT. 

 PHOTOGRAPH BY F. G. RENNER. 



