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EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC 



OCEAN.— WAR DEPARTMENT. 



ROUTE NEAR THE FORTY-SEVENTH AND FORTY-NINTH PARALLELS,' EXPLORED BY I. I. STEVENS, 

 GOVERNOR OF WASHINGTON TERRITORY, IN 1853- '55. 



BOTANICAL REPORT 



WASHINGTON, D. C. 

 ISGO. 



