Hoosac Range (hōˈsək) [key], southern continuation of the Green Mts., NW Mass. and SW Vt., running from north to south. Its maximum height is c.3,000 ft (910 m). The Hoosac railroad tunnel, c.5 mi (8 km) long, built from 1852 to 1873, at the cost of nearly 200 lives, cuts beneath the range from east to west.
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