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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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8 set 1854 ano - Dr. John Snow
Descrição:
Used mapping to illustrate how cases of cholera were centered around a water pump.
Adicionado na linha do tempo:
GIS_TIMELINE
By
Sait
22 set 2017
0
0
1075
Data:
8 set 1854 ano
Agora
~ 171 years ago
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