 What is now a similar experience to what was once normal for shipping centers?
It has happened a hundred times in the long history of Earth—and, sooner or later, will happen again! They found themselves on the scene of what was fast becoming the most violent and widespread earthquake North America—probably the world—has ever seen in historic times. East, where sharp reports and muffled wheezes told of continued buckling and dropping, the earth trembled downward. Virtually all east-west land communication was suspended and the President declared a national emergency. Nearly two million people were on the move, and the U. S. was faced with a gigantic wave of refugees. Rails, roads and air-lanes were jammed with terrified hordes who had left everything behind to crowd eastward.
 The Cross-Canada Throughway
 The Cross-Canada Throughway  Traveling ashore to Newport  Traveling to the Oklahoma Oil Company  Traveling through the fringe of Kansas