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Johnstown Heritage Discovery Center's Mystery of Steel Exhibit

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Spectacular, three-story Iron & Steel Gallery includes a theater where the film “The Mystery of Steel” tells the story of how Johnstown played a crucial role in the early days of the steel industry. It explains how innovations developed here helped transform America into a modern industrial nation. See high-definition footage of Johnstown’s steel mills in 1992, just weeks before the mills closed.

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