SXPLOFATIONS 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 35TH AND 32D PARALLELS OF NORTH LATITUDE. 



LIEUTENANT R. S. WILLIAMSON, 



CORPS OP TOPOGRAPHICAL ENGINEERS. 



1853 

 S* 



