Fig. 23.— a washout made by the flood of 1913 in a cultivatea field. The 

 dark areas in the bottom of the excavation marlc the extent to which revege- 

 tation had been carried on in two years. Location C, figure 16. 



Fig. 24. — A washout made by the tlood of 1898. It has not only become 

 completely resodded but trees are thriving: 'n wliat was once the soilless 

 g-ravel bottom. Location H, figure 16. 



