Bu 



. 54, U. S. Dept. of Agriculture. 





Plate V. 



k\ 













m 



-gUg 



f,-: ■ 



^^"^^^ ' || 



PPf ^H 





I. 



■— 







I 



- 



' ' 













Fig. 1.— Surface, of the. Sa-lt Body at Searles Lake, Cal. 



Fig. 2.— Calcareous Tufa Coating on Rocks 300 Feet above the Bottom of 

 Searles Lake Basin, Cal., and Deposited by the Waters of the Ancient 

 Lake. 



i 



