33d Congress, 
2d Session. 
HOUSE OF REPRESENTATIVES. 
Ex. Hoc. 
No. 91. 
REPORTS 
EXPLORATIONS AND SURVEYS, 
ASCERTAIN THE M0.ST PRACTICABLE AND ECONOMICAL ROUTE FOR A RAILROAD 
FROM THE 
MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
MADE UNDER THE DIRECTION OF THE SECRET AllV OF WAR, IN 
1854 - 5 , 
ACCORDING TO ACTS OF CONGRESS OF MARCH 3, 1853, MAY 31, 1854, AND AUGUST 5, 1854. 
VOLUME VI. 
WASHINGTON : 
A. 0. Pv NICHOLSON, PRINTER. 
1851. 
