MASS 
 Evylyn Thomas Memorial - Fri 5/25/2001 6p
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Chicago Critical Mass
Evylyn Thomas Memorial
Fri May 25th 2001 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 15+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Payton Chung
Facebook.com/ChicagoCriticalMass
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CCM RT @ProvocCities: By far the biggest barrier put up to this kind of infrastructure in #Chicago is that it would preve...
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CCM My city πŸ˜‰
CCM @itskylelucas @Lyndab08 So true
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CCM Get on your bike and ride!! #bikechi #Chicago
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