California Buy this photograph as a high resolution print on photographic paper at the Suitable for Framing gallery. I've stuck this in the thumbnail list for engineering feats . It's easy to forget just how significant an accomplishment the transcontinental railroads were. If you look at the maps, you might wonder why the railroad, old Route 66 and even the Interstates appear to take such a round-about route to get where they're going.
Steam engines are as thirsty for it as the passengers.
So the routes follow the springs.