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You searched for: Subject Headings Bridges Minnesota Remove constraint Subject Headings: Bridges Minnesota 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

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1. Letter from the Secretary of War, in Response to Senate Resolution of April 12, 1892, relative to the proceedings of the board of officers convened to consider the construction of a bridge in Duluth.

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

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

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

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

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

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

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

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

10. Aerial Bridge: Strain Diagram, Duluth, Minnesota

11. Aerial Bridge: Structural Details, End View, Part Side Elevation, Duluth, Minnesota

12. Constructing foundation for aerial bridge, Duluth, Minnesota

13. Aerial Bridge Duluth, Minnesota

14. Aerial bridge under construction, Duluth, Minnesota

15. Ice covered south pier, Duluth, Minnesota

16. Aerial Lift Bridge under construction, Duluth, Minnesota

17. View of aerial bridge under construction, Duluth, Minnesota

18. Aerial ferry bridge, Duluth, Minnesota

19. Aerial ferry bridge, Duluth, Minnesota

20. Aerial Bridge Duluth, Minnesota

21. Aerial Lift Bridge from bay, Duluth, Minnesota

22. Aerial Bridge Duluth, Minnesota

23. Aerial Bridge: Entrance To Duluth-Superior Harbor, Duluth, Minnesota

24. Wagon boarding aerial bridge, Duluth, Minnesota

25. Aerial Bridge: Bird's Eye View of Duluth, Minnesota From Boulevard Drive

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

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

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

29. Aerial Bridge: An Aeroplane View Showing Entrance to Duluth-Superior Harbor, Duluth, Minnesota

30. Aerial Bridge, Duluth, Minnesota

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

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

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

34. Aerial Bridge: William E. Cory leaves Duluth, Minnesota

35. Aerial Lift Bridge, Duluth, Minnesota

36. Aerial Bridge: Log Rollers, Duluth, Minnesota

37. Aerial Bridge: Duluth Boat Club, Duluth, Minnesota

38. Aerial Bridge: Passenger Vessel North American Outbound, Duluth, Minnesota

39. Aerial Bridge: Aerial Bridge Over Duluth-Superior Ship Canal, Duluth, Minnesota

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

41. Aerial Bridge: Entrance To Duluth-Superior Harbor, Duluth, Minnesota

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

43. Aerial Lift Bridge, Duluth, Minnesota

44. Aerial Lift Bridge, Duluth, Minnesota

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

46. Aerial Bridge: View of Minnesota Point, Duluth, Minnesota

47. Aerial Lift Bridge, Duluth, Minnesota

48. Excursion vessel "Tionesta" under the Aerial Lift Bridge, Duluth, Minnesota

49. Aerial Bridge: Bird's Eye View of Duluth, Minnesota

50. Remodeling of the Ferry Bridge at Duluth, Minnesota