MASS 
 UndieMass - Fri 7/31 5:45p
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 78F NE3 Mostly Cloudy 49h
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UndieMass
Fri Jul 31st 5:45p

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. July 2015's ride advocates for gender equality in top-free rights. http://facebook.com/events/447061328799726
ChicagoCriticalMass.org
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7/31 8:36p ~1823-1899 North Ridgeway Avenue
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