Curated OER
Etc: Maps Etc: Routes to the East From Western Agricultural Regions, 1825
A map from 1825 of the United States from east of the Mississippi River to the Atlantic showing the need for roads to get western produce from the plains across the mountains and to the marketplace in the eastern region.
Curated OER
Etc: Maps Etc: Long Distance Routes Between Boston and San Francisco, 1902
From Boston to San Francisco, showing 50 of the best business cities in the United States.