U. e. GEOLOGICAL SURVEY 



BULLETIN 612 PLATE XXI 



A, GEOLOGIC FEATURES SEEN FROM EVANSTON, WYO.. LOOKING NORTH. 



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B. DETAILS OF PROMINENT HILL AT LEFT OF VIEW SHOWN IN A. 



ino of parting between the Evanston and Almy formations lies between the paints A and B. Upper beds are conglomeratic A!my, lower arc Evanston. 



River are composed of nearly horizontal strata belonging to the Knight formation. 



The hills across the irrigated valley of Bear 



