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No, downers are not hallucinogens. Downers are referred to as "Barbituates."
The address of the Downers Grove Museum is: 831 Maple Avenue, Downers Grove, IL 60515
The address of the Downers Grove Public Library is: 1050 Curtiss Street, Downers Grove, 60515 4606
The address of the Downers Grove Historical Museum is: 831 Maple Ave, Downers Grove, IL 60515
The address of the Downers Grove Park District is: Po Box 663, Downers Grove, IL 60515