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Image: Amtrak "Pennsylvanian" on Horseshoe Curve (8991394046)

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Description: Horseshoe Curve is on the main line of the Norfolk Southern Railway between Pittsburgh and Harrisburg, Pennsylvania. The horseshoe allows trains trains heading west from Altoona to climb an acceptable grade of (1.85%) to reach the summit of the Allegheny Mountains.
Title: Amtrak "Pennsylvanian" on Horseshoe Curve (8991394046)
Credit: Amtrak "Pennsylvanian" on Horseshoe Curve
Author: David Brossard
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes

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