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Season 22, Episode 4

  • Aired: 10/28/2010
  • 29:14
  • Rating: TV-G
Juniper Control - Millions of acres of western juniper suck the desert dry in eastern Oregon. Beavers Assisted Restoration - Scientists enlist invisible helpers, beaver, to restore creeks and save salmon. Fish Screens - A flood disaster leads to the invention of a new fish screen design.
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Season 22, Episode 4
Juniper Control; Beavers Assisted Restoration; Fish Screens
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