CORRESPONDENCE. THE DETROIT RIVER TUNNEL, BETWEEN DETROIT, MICHIGAN, AND WINDSOR, CANADA.

Keywords: TUNNELS, RIVERS, RAILWAYS, RAILROADS, TUBES, ELECTRIFICATION, SYSTEMS, CURRENTS, TRACTION, ELECTRIC, SUBAQUEOUS, UNDERWATER, SHIELDS, COSTS, LOCOMOTIVES, WEIGHT, LEAKAGE, CLAYS, TRENCHES, METHODS, MICHIGAN, DETROIT RIVER, WINDSOR, CHICAGO, CANADA, USA, UNITED STATES, NORTH AMERICA