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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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25 out 1801 ano - sewage and Industrial pollutants was released in water sources

Descrição:

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.

Adicionado na linha do tempo:

1492-1920 Timeline

ByAna Diaz
10 out 2017
1
0
1148

Data:

25 out 1801 ano
Agora
~ 224 years ago
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