The Dust Bowl

Modern Machinery

Clip: Season 1 Video has closed captioning.

Learn how modern machinery made farming more efficient.

Aired: 11/18/12

Rating: NR

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Problems Playing Video? | Closed Captioning

Funding is provided by Bank of America, Corporation for Public Broadcasting, The Arthur Vining Davis Foundations, National Endowment for the Humanities, The Rockefeller Foundation, Wallace Genetic Foundation and members of …