This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: perspective correction to reduce curvature of field. Darken some areas slightly.. The original can be viewed here: Chicago Michigan Avenue 1911.jpg: . Modifications made by Smalljim.

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This image is a derivative work of the following images:

• File:Chicago_Michigan_Avenue_1911.jpg licensed with PD-US
  • 2010-09-29T19:25:27Z Smalljim 4614x1196 (1793429 Bytes) Clone out text and blemishes (scratches, spots, fingermarks etc). Sharpen.
  • 2008-08-17T22:34:15Z JeremyA 4614x1196 (2607382 Bytes) ==Summary== {{Information |Description={{en|1=A bird's-eye view of Chicago from elevation 700 ft. above Lake Michigan.}} |Source=Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA.[http://hdl.loc.g

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