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Making America's Best Idea Even Better
Allegheny Portage Railroad National Historic Site1845 Days
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Allegheny Portage Railroad National Historic Site
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drawing of the South Fork Dam  

Did You Know?
The dam at South Fork, PA, that broke causing the Johnstown Flood of 1889 was originally built for the Mainline Canal System. The Allegheny Portage Railroad was an important part of the Mainline, so the stories are interconnected.

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Last Updated: April 03, 2009 at 16:36 EST