The Plumbers Union annually dyes the Chicago River green for St. Patrick's Day, March 12, 2016


Per a 2016 article by the Chicago Tribune, the dyeing of the Chicago River began in 1962 and is always performed by members of two families, the Butler and Rowan clans. To participate in the boat crew that disburses a secret recipe of vegetable dye, you must be related by blood or marriage to Mike Butler or Tom Rowan. Dyeing the river green kicks off at 9:00 am and is always on the Saturday of or before St. Patrick's Day.


Size: 6000px × 4000px
Location: Michigan Avenue and the Chicago River, Chicago, Illinois USA
Photo credit: © D Guest Smith / Alamy / Afripics
License: Royalty Free
Model Released: No

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