Image: Northwestern Arch

Description: "The Arch" at the main entrance to Northwestern University's Evanston, Illinois campus
Title: Northwestern Arch
Credit: Own work
Author: Rdsmith4
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Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes