Northfield Mountain Tunnel Portal

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

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