WTEN

Partially collapsed Hoosac Tunnel was an 1800s engineering feat

NORTH ADAMS, Mass. (NEWS10) — The historic Hoosac Tunnel remains closed to freight trains after a partial collapse last week. As Pan Am Railways continues assessment and repairs, NEWS10 ABC took a ...
Berkshire Eagle

Hoosac Tunnel open again after 'partial' collapse in February

NORTH ADAMS — After seven weeks of work and traffic delays caused by a "partial wall collapse," trains are again running through the Hoosac Tunnel. "The Hoosac Tunnel is open," said Cynthia Scarano, ...
insider.si.edu

Hoosac Tunnel : communications of H. Haupt to president and directors of Troy and Greenfield Railroad Company, and to commissioners of Hoosac Tunnel : facts about machinery, &c

At head of title: 1866.
insider.si.edu

Hoosac Tunnel : on what plan, in what time, at what cost, and by what means can it be finished? / reply of H. Haupt to a communication from members of the Legislature of ...

Hoosac Tunnel : on what plan, in what time, at what cost, and by what means can it be finished? / reply of H. Haupt to a communication from members of the Legislature of Massachusetts of 1868 ...
PBS

First used in a tunnel

Gunpowder was first used in 1679, to build an underground section of the Canal du Midi, a canal connecting the Atlantic Ocean and the Mediterranean Sea. The tunnel was 157 meters long. Nitroglycerin ...