MASS 
 Underwear Mass - Fri 7/30/10 6p
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 40F SE9 Overcast 81h
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Chicago Critical Mass
Underwear Mass
Fri Jul 30th 2010 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: Barbra R
ChicagoCriticalMass.org
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CCM RT @CatlinMichael: triple threat to public safety #bikechi
CCM RT @Zotex: "Happy Friday" from the April 2015 edition of Chicago Critical Mass! "Whooo-Hooo" #BikeCHI #CCM
CCM RT @cutcatschicago: How come it rains #EVERYTIME I get a bike out of the shop? #bikeChi #messlife
CCM RT @Viktorinho: #bikechi #cta
CCM RT @iheartairplanes: Been there. Done that. Loved it. Go @DivvyBikes #DivvyBikes #BikeCHI "
CCM RT @UrbanTranspoRRt: Top urban transportation articles from last 48 hrs
CCM RT @PJOChicago: @TheArtofBeer @ChiCritMass warmer weather will bring out the craziness. Looking forward to coming mon...
CCM RT @TheArtofBeer: Part 2 of my @ChiCritMass comments 😁
CCM RT @vikbash: 100 or so @ChiCritMass bikers just rode by the apartment and I'm just here eating a whole burrito and st...
CCM RT @MinkuMedia: .@ChiCritMass is rollin'! #bikeChi #CriticalMass
CCM RT @CurvesAndNerves: Shoutout to @ChiCritMass from all of us at @bellyQchicago!
CCM RT @TheArtofBeer: Think I just saw first #Chicago @ChiCritMass
CCM RT @MinkuMedia: Takin' the streets! #bikeChi #CriticalMass @ChiCritMass
CCM RT @TriviaHive: Smokers die earlier than non-smokers: 13.2 years for men and 14.5 years for women.
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