Movies: Intercontintental railroad

As the railroad builders advance unstoppably through the Arizona desert on their way to the sea, Jill arrives in the small town of Flagstone with the intention of starting a new life....

Brandon, a surveyor, dreams of building a railway to the west. He sets off with his son, Davy, to survey a route. They discover a new pass which will shave 200 miles off the expected distance, but they are set upon by a party of Cheyenne. One of them...