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The Chicago River is a system of rivers and canals with a combined length of 156 miles (251 km) [1] that runs through the city of Chicago, including its center (the Chicago Loop). [2] Though not especially long, the river is notable because it is one of the reasons for Chicago's geographic importance: the related Chicago Portage is a link ...
Every St. Patrick’s Day, people gather at the Chicago River to watch the water being dyed green, a tradition that has been taking place for over 50 years.Lindsey Engelbert, a Chicago resident ...
The river took roughly 45 minutes to settle into a completely green state. The Riverwalk, closed for the dyeing, will reopen Sunday. After the spectacle, dense crowds began the blocks-long trek to ...
Chicago dyes its river green and has done so since 1962 when sewer workers used green dye to check for sewer discharges and had the idea to turn the river green for Saint Patrick's Day. Originally 100 pounds of vegetable dye was used to turn the river green for a whole week but now only forty pounds of dye is used and the color only lasts for ...
Fluorescein is a fluorophore commonly used in microscopy, in a type of dye laser as the gain medium, in forensics and serology to detect latent blood stains, and in dye tracing. Fluorescein has an absorption maximum at 494 nm and emission maximum of 512 nm (in water). The major derivatives are fluorescein isothiocyanate (FITC) and, in ...
CHICAGO - The Chicago River turning green kicked off Chicago's St. Patrick's day festivities this morning. Thousands looked on and then stuck around for the annual downtown parade that made its ...
In an annual tradition dating back to the 1960's, the Chicago River was dyed a bright green on Saturday to kick off St. Patrick's Day celebrations across the city. Rough Cut (no reporter narration).
October 15, 1966 [2] Designated NHL. January 29, 1964 [3] The Illinois and Michigan Canal connected the Great Lakes to the Mississippi River and the Gulf of Mexico. In Illinois, it ran 96 miles (154 km) from the Chicago River in Bridgeport, Chicago to the Illinois River at LaSalle - Peru. The canal crossed the Chicago Portage, and helped ...