In Denver, 50 miles away, citizens rejoiced. Some thought that the six-mile Moffat Tunnel, longest railroad bore in the U. S., would soon be ready for snorting locomotives. They were wrong.

These are the six miles of the famed Moffat tunnel, which pierces James Peak, 50 miles west of Denver.* It shortens the transcontinental route between Denver and Salt Lake City by about 175 miles ...