This Dec. 1, 2016 photo taken at the National Historic Oregon Trail Interpretative Center in Baker City, shows the fold out map inside the John C. Fremont book displayed there. Through a partnership between the Library of Congress and the office of Sen. Ron Wyden, D-Ore., the 170-year-old, seven-section topographical map of the Oregon Trail that is bound into the book, has been secured for display at the Center. (S. John Collins /Baker City Herald via AP)
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