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. 



ZOOLOGICAL REPORT. 



WASHINGTON, D. C. 

 1860. 



11 t 



