T'x^y^ IX. 



^:.i¥r A l^b' A,.iv' —^ 5^c h'^'^I- s; 





-o^^^-. jr 



Tig. 16. Yi^^^r o£ Mt.Willard feowL Silrer CascaS^. 





Tig. 14. EeJiuiins of Structure 121 Granite at Goodrich Tails. 



