Conde B. McCullough Memorial Bridge
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Hadlow, Robert W. (2001): Elegant Arches, Soaring Spans. C.B. McCullough Oregon's Master Bridge Builder. Oregon State University Press, Corvallis (États-Unis), pp. 140.
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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. 304-305.
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Smith, Dwight A. / Norman, James B. / Dykman, Pieter T. (1989): Historic Highway Bridges of Oregon. 2ème édition, Oregon Historical Society, Portland (États-Unis), pp. 82.