Curated OER
University of Texas: Turkmenistan Political Map
This simple map of Turkmenistan from the Perry-Castaneda collection shows the welayat (province) boundaries, major cities, roads, and rail lines along with the neighboring countries.
Curated OER
National Park Service: Economic Aspects of the Civil War: A New Economy of War
The "Breadbasket of the Confederacy", the Shenandoah Valley, depended on the rail lines to distribute food to both the troops and the civil population of the South. Read about the economic war that was waged hand in hand with the...
Other
Nbi National Bridge Inventory Database Search Form
NBI National Bridge Inventory Database search form from Nationalbridges.com allows one to enter the information related to a specific rail line in order to acquire related bridge information.