Wilbert Smith Archives Files Box 1131 19 1131-19-p219

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3500 feet down, people could travel | 500 miles per hour-through solid rock — (The steels are ready whenever you are) Although the automobile will continue to be the basic means of American travel, high-speed mass transporta- tion will soon be needed through thickly populated intercity areas. Already, the 460 miles between Washington and Boston, for example, have become one densely crowded, metropolitan corridor. When the saturation point comes for travel by today’s cars, planes, and trains,...