| Title | In ten years rail lines spread from the Atlantic coast to beyond the Mississippi River, and trunk lines carry a long haul traffic. The iron horse is a strange and powerful factor in economic and political development. |
| Date | 1925 |
| Source | Sandburg, Carl. Abraham Lincoln The Prairie Years. New York: Harcourt, Brace and Company, 1925. |
| Creator | Sandburg, Carl |
| Type | Map |
| Permission | Northern Illinois University |
| Themes | || Lincoln's Biography |
