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EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
ROUTE NEAR THE THIRTY-FIFTH PARALLEL, EXPLORED BY LIEUTENANT A. W. WHIPPLE, ‘TOPOGRAPHICAL 
ENGINEERS, IN 1853 AND 1854, 
REPORT 
THE BOTANY OF THE EXPEDITION. 
WASHINGTON, D. C. 
1856. 
