EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE 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. 
ITINERARY. 
WASHINGTON, D. Q. 
1854. 
