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 Vi^ASHINGTON TERRITORY, IN I853-'55. 



ZOOLOGICAL REPORT, 



WASHINGTON, D. C. 

 18G0, 



11 t 



