Wooden Bridge Lowell, MA 2011 From Robert Steffen's Portfolio
Tracks Lowell, MA 2011 From Robert Steffen's Portfolio
Face and Shadows Lowell, MA 2011 From Robert Steffen's Portfolio
Girders Lowell, MA 2011 From Robert Steffen's Portfolio
Locomotive Detail Lowell, MA 2011 From Robert Steffen's Portfolio
Stairs Lowell, MA 2011 From Robert Steffen's Portfolio
Emergency Station Portland, ME 2011 From Robert Steffen's Portfolio
End of the Line Lowell, MA 2011 From Robert Steffen's Portfolio
Stone Bridge Lowell, MA 2011 From Robert Steffen's Portfolio
Booth Service Lowell, MA 2011 From Robert Steffen's Portfolio