Railroad Archives Online
- FondoD0027 - Timothy Miller Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Subserie009 - Engineering Records
- 008 - Physical plant drawing
- 008 - Tunnels
- 201 más...
- Unidad documental simpleStruc001620 - Great Northern Engineering Drawing, Cascade Tunnel at Berne, Washington, 1980
- Unidad documental simpleStruc001621 - Great Northern Engineering Drawing, Cascade Tunnel at Berne, Washington, 1956
- Unidad documental simpleStruc001622 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1963
- Unidad documental simpleStruc001643 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1955
- Unidad documental simpleStruc001644 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1956
- Unidad documental simpleStruc001645 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, undated
- Unidad documental simpleStruc001646 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1956
- Unidad documental simpleStruc001647 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1950
- Unidad documental simpleStruc001648 - Great Northern Engineering Drawing, Cascade Tunnel, Washington, 1956
- 142 más...