city, Blair county, central Pennsylvania, U.S. It is situated on the eastern slopes of the Allegheny Front, a segment of the Allegheny Mountains that separates the Atlantic from the Mississippi valley watersheds. The city lies 45 miles (72 km) by road northeast of Johnstown. It was founded in 1849 by the Pennsylvania Railroad Company as a base for building railroads over the Alleghenies. Its name probably derives from the Cherokee word allatoona ("high lands of great worth").
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