AJVTNUAL EEPOET 



OF 



X 



THE UNITED STATES 



"GEOLOGICAL AND GEOGRAPHICAL SURVEY 



THE TERRITORIES, 



]SM:BRA.OI]^N^a COTuOTiJ^t>0, 



BEING A EEPOKT OF PROGRESS OF 



THE EXPLORATION FOR THE YEAR 1873, 



BY 



F. V. HA YD EN, 



UNITED STATES GEOLOGIST. 



811/5 



CONDUCTED UNDER THE AUTHOEITY OF THE SECRETARY 

 OF THE INTERIOR. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE. 



1874. 



