Cite

Citation Info Graham, J. D. (James Duncan), 1799-1865. United States. Army. Corps of Topographical Engineers. (1857). Chicago harbor & bar, Illinois from survey made in April 1857 under the direction of Brevet Lieut. Col. J.D. Graham, Major U.S. Top. Engineers. Superintending Engineer of Lake Harbor Works.. [JPEG]. Retrieved from https://geo.nyu.edu/catalog/cf0aad24-c644-4334-bbfa-e8797a35438d

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