Royal Gorge Bridge
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Prade, Marcel (1990): Les grands ponts du monde: Hors d'Europe. Brissaud, Poitiers (France), pp. 136.
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Jackson, Donald C. (1984): Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (États-Unis), pp. 284.
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New Suspension Bridge spans Royal Gorge in Colorado. Dans: Engineering News Record (5 juin 1930), pp. 922.
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Stahl, Frank L. (1990): Rehabilitation of the Royal Gorge Bridge. Présenté pendant: 7th Annual International Bridge Conference, 1990, Paper IBC 90-54..
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Suspension Bridge has Anchorages Replaced. Dans: Civil Engineering Magazine, v. 56, n. 1 (janvier 1986), pp. 19.