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Subject
Cities and towns
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Place
Chicago (Ill.)
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Data type
Polygon
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1. Administrative Boundaries, Chicago, United States, 1990
1990. Angel, Shlomo, Parent, Jason, Civco, Daniel L., and Blei, Alejandro M. This polygon layer establishes the administrative boundaries of Chicago, Illinois, United States, otherwise known as the study area. These data are... Lincoln Institute of Land Policy.