ADDRESS. THE VISIT TO THE UNITED STATES AND CANADA.

Keywords: ENGINEERING, WORKS, NAVIES, BRIDGES, WATERWAYS, CANALS, RIVERS, FALLS, RAPID TRANSIT, SUBWAYS, RAILWAYS, UNDERGROUND, TALL, BUILDINGS, TUNNELS, DAMS, HYDROELECTRICITY, NEW YORK, BROOKLYN, MONTREAL, QUEBEC, VICTORIA BRIDGE, ST LAWRENCE RIV, SOULANGES CANAL, NIAGARA FALLS, NIAG, USA, CANADA, UNITED STATES, NORTH AMERICA