61. Bird's-eye view of east portal Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
62. Bird's-eye view of east portal Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
63. Boring machine Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library
64. Central shaft Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
65. Central shaft at the time of fire, 1867, 583 feet deep Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library
66. Central shaft buildings erected after fire in 1867. Format: Postcards/Cards; Prints Collection: Hoosac Tunnel Collection Date: [ca. 1892–1972] Institution: North Adams Public Library
67. Design for arch/entrance of Hoosac Tunnel Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
68. Design for arches/entrance of Hoosac Tunnel Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
69. Diagram of excavation and construction. Hoosac Tunnel, on the Troy and Greenfield R.R. Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
70. Diagrams of excavation and construction. Hoosac Tunnel, on the Troy and Greenfield R.R. Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
71. East end ; west end ; east end Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1875] Institution: North Adams Public Library
72. East end, miners going in Creator: Hurd & Smith's Excelsior Gallery Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
73. East end, miners going in Creator: Hurd & Smith's Excelsior Gallery Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
74. East end of Hoosac Tunnel Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
75. East end of tunnel & roadbed, cart & folks Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
76. East end; west end; east end Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1875] Institution: North Adams Public Library
77. East portal Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1875] Institution: North Adams Public Library
78. The east portal of Hoosac Tunnel Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1875] Institution: North Adams Public Library
79. The east portal of the Hoosac Tunnel Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1875] Institution: North Adams Public Library
80. Elevator at west shaft Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library