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You searched for: Topic Transportation Remove constraint Topic: Transportation Subject Headings Movable Bridges Remove constraint Subject Headings: Movable Bridges Contributor University of Minnesota Duluth, Kathryn A. Martin Library, NEMHC Collections Remove constraint Contributor: University of Minnesota Duluth, Kathryn A. Martin Library, NEMHC Collections

Minnesota Digital Library

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1. Aerial Lift Bridge: Letter about bridge design, Duluth, Minnesota

2. Aerial Bridge: Design for Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

3. Aerial Bridge: Details of Traveler Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

4. Aerial Bridge: Detail of Car Suspended Car Transfer Over Ship Canal at Duluth, Minnesota

5. Aerial Bridge: Detail of Car Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

6. Aerial Bridge: Details of Traveler Framing at Top Suspended Car Transfer Ship Canal, Duluth, Minnesota

7. Aerial Bridge: Proposed Changes in Tower Suspended Car Transfer Over Ship Canal at Duluth, Minnesota

8. Aerial Bridge: Proposed Suspended Car Transfer Over Ship Canal at Duluth, Minnesota

9. Constructing foundation for aerial bridge, Duluth, Minnesota

10. Aerial bridge under construction, Duluth, Minnesota

11. Ice covered south pier, Duluth, Minnesota

12. Aerial ferry bridge, Duluth, Minnesota

13. Aerial Lift Bridge from bay, Duluth, Minnesota

14. Wagon boarding aerial bridge, Duluth, Minnesota

15. Aerial Bridge: Aerial Bridge and Canal, Duluth, Minnesota

16. Aerial Bridge: Aerial Bridge by night Duluth Superior harbor, Duluth, Minnesota

17. Aerial Bridge: Aerial Bridge Showing Car, Duluth, Minnesota

18. Aerial Bridge, Duluth, Minnesota

19. Aerial Bridge: School Room Clay Model of Bridge, Duluth, Minnesota

20. Aerial Bridge: U.S. Ship Canal Duluth, Minnesota

21. Aerial Bridge: Whaleback Leaving Duluth-Superior Harbor Loaded With Ore, Duluth, Minnesota

22. Aerial Lift Bridge, Duluth, Minnesota

23. Aerial Bridge: Aerial Bridge over Duluth-Superior ship canal, Duluth, Minnesota

24. Aerial Bridge: Steamer Huronic Entering Duluth-Superior Harbor, Duluth, Minnesota

25. Aerial Lift Bridge, Duluth, Minnesota