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1. Bird's eye view of tunnel, store, &c

2. Bird's-eye view of east portal

3. Bird's-eye view of east portal

4. Hoosac Tunnel, its surroundings, workers, and machinery

5. Hoosac Tunnel, its surroundings, workers, and machinery

6. 1 Profil du souterrain. 2 chandelier a cremalliere 3 profil du souterrain avec les ordonnes calculees 4 clou a tete percee 5...

7. All east portal

8. Arching at west end Hoosac Tunnel

9. Boring machine

10. Boston & Maine 2504

11. Central shaft

12. Central shaft at the time of fire, 1867, 583 feet deep

13. Central shaft buildings erected after fire in 1867.

14. Design for arch/entrance of Hoosac Tunnel

15. Design for arches/entrance of Hoosac Tunnel

16. Diagram of excavation and construction. Hoosac Tunnel, on the Troy and Greenfield R.R.

17. Diagrams of excavation and construction. Hoosac Tunnel, on the Troy and Greenfield R.R.

18. A dining saloon on wheels

19. East end ; west end ; east end

20. East end, miners going in