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Northfield Mountain Tunnel Portal

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By:

skyeye @ 2007-10-29 21:45:11

map #40368

Description:

Northfield Mountain pumped storage hydro plant contains an underground generating station blasted out of gneiss. The powerhouse is accessible through a 2,500-foot-long tunnel. Seven hundred feet below the surface, the cavern is longer than a football field and higher than a ten-story building.

The image shows the service road entering the only access to the tunnel. The underground powerhouse flooded during construction in 1972 and suffered a fire in 2002: http://www.masslive.com/news/parchives/f619tunn.html

More Info:

en.wikipedia.org

Location:

Erving, Massachusetts (MA), US
@ 42.61186974, -72.46721506

Views:

995

Rating:

Unrated

Categories

Buildings > Tunnels
Buildings > Power - Hydro

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Comments (1)

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skyeye @ 2009-06-25 19:52:10
	Here's a superior view of the portal; http://ludb.clui.org/ex/i/MA3238/

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