The Hemisphere: ST. LAWRENCE SEAWAY

ALONG the steel-blue St. Laurence River, seaward outlet of the world's busiest inland waterway, a century-old dream is coming true. A work force of 15,000 men, with the most modern construction machines, is gathering on the U.S. and Canadian banks of the river to build the long-heralded St. Lawrence Seaway and power development. When it is finished in 1959, some 13 billion kilowatt hours of low-cost electricity, three times the output of Hoover Dam, will be generated annually by the river's waters for U.S. and Canadian industry. The river and the Great Lakes...