21. Hoosac Tunnel centennial, 1873-1973 Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: (c) 1972 Institution: North Adams Public Library
22. Hoosac Tunnel centennial, 1873-1973 Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: (c) 1972 Institution: North Adams Public Library
23. Hoosac Tunnel centennial, 1873-1973 Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: (c) 1972 Institution: North Adams Public Library
24. Hoosac Tunnel centennial, 1873-1973 Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: (c) 1972 Institution: North Adams Public Library
25. Hoosac Tunnel, its surroundings, workers, and machinery Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1911] Institution: North Adams Public Library
26. Hoosac Tunnel, No. Adams, Mass. Format: Photographs; Postcards/Cards Collection: Hoosac Tunnel Collection Date: [ca. 1892–1922] Institution: North Adams Public Library
27. Hoosac Tunnel series Format: Photographs; Postcards/Cards Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library
28. Hoosac Tunnel series Format: Photographs; Postcards/Cards Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library
29. Hoosac Tunnel. West end of the double track Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
30. Hoosac Tunnel, west portal looking out, North Adams, Mass. Format: Photographs; Postcards/Cards Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library