Famous Horseshoe Curve among Allegheny Mts. (2,571 ft. long, 1,200 ft. across ...), by Underwood & Underwood

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Photo credit: © UtCon Collection / Alamy / Afripics
License: Licensed
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Keywords: ancient, book, bygone, copy, cover, editorial, historic, history, illustration, news, nostalgia, nostalgic, photo, photograph, photography, space, stock, textbook, vintage