EXPLORATIONS AND SURVEYS EOR A RAILROAD ROUTE EROM THE MIS SISSIPPI RIVER TO THE PACIFIC OCEAN. 
WAR DEPARTMENT. 
REPORT 
OP 
EXPLORATIONS FOR THAT PORTION OF A RAILROAD ROUTE, 
NEAR THE 
THIRTY-SECOND PARALLEL OF NORTH LATITUDE, 
LYING BETWEEN 
DONA ANA, ON THE RIO GRANDE, 
AND 
PIMAS VILLAGES, ON THE GILA. 
BY 
LIEUT. JOHN G. PARKE, 
CORPS TOPOGRAPHICAL ENGINEERS. 
