Here's part of the hill westbounds see once clear of Fitchburg (on the way to Gardner). Even from the air, you can see the west-most track (on the right in the photo) is significantly higher.

Photographed by Stephen A. Mayotte, June 20, 2009.
Added to the photo archive by Stephen Mayotte, June 20, 2009.
Railroad: Pan Am Railways.

» Contact the person who posted this photograph.