NO WATER, NO FORESTS. NO FORESTS, NO WATER.
Example of country which irrigation will cause to become wonderfully fertile.
Photograph by U. S. Forest Service.
WITH WATER!
In the foreground, a field and orchard; in the background, the sand-dunes of the arid desert. Transformation effected by a tiny stream and a poplar wind-break.
Photograph by U. S. Forest Service.