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31 dez 1929 ano - Production Statistic

Descrição:

By 1930, it was estimated that it only took 15-20 labour hours to produce 100 bushels of wheat. 60% less than what it had taken in 1890s.

Adicionado na linha do tempo:

Modern History Timeline HSC

ByBrianna Johnson
30 abr 2019
0
0
579

Data:

31 dez 1929 ano
Agora
~ 94 years ago
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