Plows and Bubbles
Clip: Season 1 | 38s | Video has closed captioning.
Learn about the two types of plows farmers used.
Aired: 11/18/12
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Problems Playing Video? | Closed Captioning
Clip: Season 1 | 38s | Video has closed captioning.
Learn about the two types of plows farmers used.
Aired: 11/18/12
Problems Playing Video? | Closed Captioning
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