EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
REPORT 
LIEUT. E. G. BECKWITH, 
THIRD ARTILLERY, 
UPON 
EXPLORATIONS FOR A R AI L R OAD ROUTE, 
NEAR 
THE 38TH AND 39TH PARALLELS OP NORTH LATITUDE, 
CAPTAIN J. W. GUNNISON, 
CORPS OF TOPOGRAPHICAL ENGINEERS, 
AND NEAll 
THE FORTY FIRST PARALLEL OF NORTH LATITUDE, 
LIEUT. E. G. BECKWITH, 
THIRD ARTILLERY. 
1 a 
1 8 5 4 . 
