EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE S'ROM TUB MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
ROUTE NEAR THE THIRTY-FIFTH PARALLEL, UNDER 'THE COMMAND OF LIEUT. A. W. WHIPPLE, 
TOPOGRAPHICAL ENGINEERS, IN 1853 AND 1854. 
REPO R T 
UPON 
BY 
LIEUT. A. W, WHIPPLE, THOMAS EWBANK, ESQ., AND PROF. WM. W. TURNER. 
WASHINGTON, D. C., 
