Harpy

HarpyThe vast area known as the great plains of the United States is a belt about six hundred miles wide between the Mississippi River and the mountains of Wyoming and Colorado. An ocean of land, mostly flat, sometimes with waves of hills, it rises in swells to the west, a dozen feet to the mile, league after league of earth becoming gradually more arid, until it is a mile above the sea. And then suddenly, west of Denver, it gives up its gradual climb. The escarpments of the Rocky Mountains burs...