EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 



WAR DEPARTMENT. 



IIETORT 





EXPLORATIONS FOR RAILROAD ROUTES 



SAN FRANCISCO BAY TO LOS ANGELES, CALIFORNIA, 

 WEST OF THE COAST RANGE, 



AND FROM 



THE PIMAS VILLAGES ON THE GILA TO THE RIO GRANDE, 

 NEAR THE 32D PARALLEL OF NORTH LATITUDE, 



LIEUTENANT JOHN G. PARKE, 



CORPS OP TOPOGEAPHICAI. ENGINEERS, 



ASSISTED BT 



ALBERT H. CAMPBELL, 



CIVIL ENQINEEB. 



1854-5. 



