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25 oct 1801 año - sewage and Industrial pollutants was released in water sources

Descripción:

Engineers reversed flow to stop the sewage and the industrial pollutants from going to Chicago water sources.The river was paved over if too polluted.

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1492-1920 Timeline

ByAna Diaz
10 oct 2017
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fecha:

25 oct 1801 año
Ahora mismo
~ 224 years ago
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