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The front of the postcard features a view of the Horseshoe Curve on the Main Line of the Pennsylvania Railroad. The Horseshoe Curve, built in 1852, is highlighted as an impressive engineering achievement.
Note: This post may contain affiliate links.
The front of the postcard features a view of the Horseshoe Curve on the Main Line of the Pennsylvania Railroad. The Horseshoe Curve, built in 1852, is highlighted as an impressive engineering achievement.