Hoosac Tunnel
Hoosac Tunnel Specifications
Second Massachusetts Turnpike—1797 Hoosac Roads—Misc. Turnpikes Building the Hoosac Tunnel—1870 Excerpt, Atlantic Monthly—1882
Photographs—1911 Tour Guide
Hoosac Tunnel, Western Portal Hoosac Tunnel, Eastern Portal Mouth of Tunnel, Western Portal Freight Train Entering Western Portal New Bridge, State Street Crossing Work Train Putting Up Electric Wires Largest Oil Burner in the World New Electric Engines
