May 10, 2016 marked the 147th anniversary of the driving of the Golden Spike at Promontory Summit, linking the east and west coasts of United States with its first transcontinental railroad. This ... (more)

May 10, 2016 marked the 147th anniversary of the driving of the Golden Spike at Promontory Summit, linking the east and west coasts of United States with its first transcontinental railroad. This ... (more)

May 10, 2016 marked the 147th anniversary of the driving of the Golden Spike at Promontory Summit, linking the east and west coasts of United States with its first transcontinental railroad.