This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fort Sheridan From Above. Historic American Buildings Survey accessed from Library of Congress Copy negative made from negative by TASO Army Fort Sheridan Illinois loc gov PDUSGov Original upload log en FortSheridanFromAbove bytes Teemu no American Buildings Survey accessed from Library of Congress Copy negative made