DL, 
Co 
tdth Kies te 
36TH se a SENATE. 
_ ist Sess Ke 
| REPORT | 
COLORADO RIVER OF THE WEST, 
LIEUTENANT JOSEPH C. IVES, 
CORPS OF TOPOGRAPHICAL ENGINEERS, 
UNDER THE DIRECTION OF THE OFFICE OF EXPLORATIONS AND SURVEYS, 
A, A, HUMPHREYS, CAPTAIN TOPOGRAPHICAL ENGINEERS, IN CHARGE, 
BY ORDER OF THE 
SECRETARY OF WAR. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
1861, 
3 Mo. Bot. Garden 
