Topic: Harbors Illinois Chicago Maps.; Chicago River (Ill.) Maps. - Collections - Michigan Memories Search Results

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1. 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.

2. 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.

3. Entrance to Chicago harbor showing the state of the bar April 4th, 1854 before the dredging of the direct ship channel was commenced.

4. Chicago harbor & bar, Illinois from survey made between the 17th of August & the 2nd of September 1858 under the direction of Brevet Lieut. Col. J.D. Graham, Major U.S. Top. Engineers. Superintending Engineer of Lake Harbor Works.