Chapter IV: CIVIL ENGINEERING.--A Railway through the Andes.--An

interesting enterprise now in progress in South America, with
maps.--2 illustrations

Chicago as a Seaport.--Proposed connection of Chicago with the
waters of the Mississippi River, thereby placing it in water
communication with the sea.--2 illustrations

Floating Elevator and Spoil Distributor.--A machine for removing
dredged material from barges, as employed on the Baltic Sea
Canal Works.--10 illustrations