engineeringENGINEERING
Report of the Hoosac Tunnel and Troy and Greenfield Railroad, by the Joint Standing Committee of 1866.
Tappan Wentworth
Report of the Hoosac Tunnel and Troy and Greenfield Railroad, by the Joint Standing Committee of 1866.
- Troy and Greenfield Railroad Company
- Railroad tunnels -- Massachusetts
- Hoosac Tunnel (Mass.)
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