This is the central shaft exhaust system building for the Hossac tunnel- note the large output nozzles to the right. This structure is actually about 400' West of the true center of the tunnel bore - It is over 1000' straight down to the track.

Photographed by Jmilos, August 26, 2011.
Added to the photo archive by Jeff Milos, September 3, 2011.
Railroad: Pan Am Railways.

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