EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
REPORT 
OB’ 
EXPLORATIONS FOR A RAILROAD ROUTE 
THE 32D PARALLEL OP NORTH LATITUDE, 
LYING BETWEEN 
DONA ANA, ON THE RIO GRANDE, AND PIMAS VILLAGES, ON THE GILA, 
BY 
LIEUTENANT JOHN G. PARKE, 
CORPS OF TOPOGRAPHICAL ENGINEERS. 
WASHINGTON, D. C. 
1 8 5 5 . 
