EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
REPORT 
or 
EXPLORATIONS FOR A ROUTE FOR THE PACIFIC RAILROAD, 
BY 
CAPT. J. W. GUNNISON, TOPOGRAPHICAL ENGINEERS, 
NEAR 
THE 38TH AND 39TH PARALLELS OF NORTH LATITUDE, 
FROM 
THE MOUTH OF THE KANSAS RIVER, MO., TO THE SEVIER LAKE, IN THE GREAT BASIN, 
REPORT 
BY LIEUT. E. G. BECKWITH, 
THIRD ARTILLERY. 
A 
