The Chicago Municipal Code of 1922, Article II, Regulations, Sec. 2870 (1922).
2870. Firearms-missiles. All persons are forbidden to carry firearms or to throw stones or other missiles within any of the parks, public playgrounds or bathing beaches of the city, and all persons are forbidden to cut, break or in any way injure or deface trees, shrubs, plants, turf or any of the buildings, fences, bridges or other construction or property contained therein.
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