<div class="description">
City of Chicago; Gordon, Susan, field team; Hanley, James, field team; Gardner, Lisa, field team; Bejalework, Hailye A, field team; Chicago Department of Transportation, sponsor; Daley, Richard M, sponsor; Walker, Thomas R, sponsor; Kaderbek, S L, sponsor; Sears, Hannah, transmitter; Lowe, Jet, photographer</div>
Documentation compiled after 1968
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