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31 dic 1929 anni - Production Statistic
Descrizione:
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.
Aggiunto al nastro di tempo:
Modern History Timeline HSC
By
Brianna Johnson
30 apr 2019
0
0
563
Data:
31 dic 1929 anni
Adesso
~ 94 years ago
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