October 8, 2010 from 6:30pm to 11pm – Senn Park (cross posting from ChicagoFunNews.com) Friday 2010.10.08 ** North Side Critical Mass. 2nd Fridays All ages. Free. Gather after 6:30p, leaves before 7p. THE monthly north side gathering of cyclists.… Organized by | Type: social, mass, recreation
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