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31 Dez 1929 Jahr - Production Statistic

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Modern History Timeline HSC

ByBrianna Johnson
30 Apr 2019
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Datum:

31 Dez 1929 Jahr
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~ 94 years ago
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