BALITMORE, MD – APRIL 15: B O No. 117 Thatcher Perkins Baltimore Ohio Railroad 4-6-0 Perkins Ten Wheeler on April 15, 2017 – Kelleher Photography Store BALITMORE, MD – APRIL 15: B O No. 117 Thatcher Perkins Baltimore Ohio Railroad 4-6-0 Perkins Ten Wheeler on April 15, 2017 – Kelleher Photography Store
