AltoonaWorks - #TBT to July 1959 PRR 9468, a PRR class FF20 Erie-Built, is seen moving through the yard from the 8th Street Bridge. Photographer unknown

AltoonaWorks - 4/2020 - Over the last year or so, Class II

AltoonaWorks - 4/2020 - Over the last year or so, Class II

PRR 9468, FF-20, 1959

AltoonaWorks - Timeline Photos

A Picture Study Of The K-4, Page 29, 1976

Altoona Railway Museum Club: PRR K-4s #1361 Restoration

Astonishing, Remarkable Mfrs. Built Awesome Locomotives in America, by Terry Day, ILLUMINATION

Altoona Area in the PRR Era

Viewing Album: PRR: Altoona Bridges ~ 12th Street - Railroad Picture Archives.NET

The National Railroad Postcard Museum: The Erie Railroad in History, Photographs, and Postcards

The Erie-Lackawanna Railroad

Altoona Railway Museum Club: Horseshoe Curve, NRHS - Mountain View

AltoonaWorks - #TBT to 1984 For a time in the 1980s, the

Industrial History: PRR Bridges over Susquehanna River at Rockville, PA

Viewing Album: PRR: Altoona Bridges ~ 12th Street - Railroad Picture Archives.NET