Ante-Lebanon. Here it crosses several creeks or rivers which are the only streams of running water it encounters.

That was the sort of terrain over which it had been decided to lay the world's greatest pipe line. Add to those features the fact that summer temperature rises to 130 degrees Fahrenheit, with a humidity below seven per cent. In such a climate a man drinks two gallons of water a day, metal surfaces become too hot to touch with the bare hand.

Over part of the route across the tilted desert there are high sand dunes which constantly "travel" under the buffeting of the fiery winds from the north. In other regions there are great desert swamps. And there are long stretches of flinty stone both above and below ground.

As a result of this changing terrain the great pipe was finally laid three-fifths of its length in ditches dug or blasted beneath the surface, and the remaining two-fifths above the ground.

With the survey completed, Tapline was ready to go into business on an unprecedented scale. First of all, of course, was the pipe itself. Tapline had contracted for 265,000 tons of steel plate to be supplied by the Geneva, Utah, plant of the United States Steel Corporation. This plate was rolled by Consolidated Western Steel Corporation at its

Nesting of 30-inch pipe inside 31 cut shipping costs over half