Posted on January 8, 2017 by WBEZ ChicagoCurious City - Icebreakers Of The Chicago River: How Bubblers, Boats And Brawn Keep The City Safe Each Winter How bubblers, boats and brawn keep the city safe each winter. Attached audio [audio/mpeg]: 20210127123027-icebreakers-of-the-chicago-river-how-bubblers-boats-and-brawn-keep-the-city-safe-each-winter_john-fecile.mp3
