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Geologic history of the Yosemite Valley, by Francois E. Mat.. 

United States congressional serial set ; serial set no. 9274;House document / 71st Congress, 2nd session. House ; no. 154
Matthes, Francois Emile ; Calins, F. C. , 1930
Link: http://docs.newsbank.com/select/serialset/11CCDD8D3799..