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



WAR DEPARTMENT. 



REPORT 



EXPLORATIONS IN CALIFORNIA FOR RAILROAD ROUTES 



TO CONNECT WITH 



THE ROUTES NEAR THE 85TH AND 82D PARALLELS OF NORTH LATITUDE, 



LIEUTENANT R. S. WILLIAMSON, 



OOBP9 OF TOPOGRAPHICAL ENGTNEERS. 



1853. 



S* 



