f^'^H 



I 



DEPARTMENT OF THE INTERIOR 



U6 



UNITED STATES GEOLOGICAL SURVEY 



GEORGE OTIS SMITH, Director 



/?/5 



BuiiLETiiNr 612 



GUIDEBOOK 



OF THE 



WESTERN UNITED STATES 



Part B. THE OYERLAND fiOUTE 



WITH A SIDE TKIP TO YELLOWSTONE PARK 



WILLIS T. LEE, RALPH W . STOJfE, HOYT S. GALE 



AND OTHERS 



WASHINGTON 



GOYERXMENT PRINTINO OFFICE 



1915 



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