Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
Chicago harbor & bar, Illinois from survey made between March 29th & April 9th 1856 under the direction of Brevet Lieut. Col. J.D. Graham, Major U.S. Top. Engineers. Superintending Engineer of Lake Michigan Works.
- Graham, J. D. (James Duncan), 1799-1865.,United States. Army. Corps of Topographical Engineers.
- The soundings are in feet & tenths of a foot. Includes sailings directions and description of the buildings at old Fort Dearborn. "Map G. No. 38." 1 map; 58 x 77 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
- Clark Library Map Collections
- Chicago, Illinois, United States and Illinois, United States
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