Subject
- Railroads (172)
- Roads (21)
- Steamboat Lines (7)
- Indian Reservations (6)
- Military Reservations (6)
- Transportation (5)
- Canals (4)
- Indians of North America (3)
- Mines and Mineral Resources (3)
- Chicago, Burlington & Quincy Railroad Company (2)
- Cities and Towns (2)
- Coal (2)
- Electric Railroads (2)
- Land Grants (2)
- Natural Resources (2)
- Northern Pacific Railroad Company (2)
- Northern Pacific Railway Company (2)
- Public Lands (2)
- Real Property (2)
- 1910 (1)