When did Horizon Season 16 Episode 9 air?
Horizon Season 16 Episode 9 aired on April 30, 1979.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon presents a documentary that shows how part of the Amazon river area around the Rio Jari was developed with rice and forestry.
Direct answers for episode-level questions and details.
Horizon Season 16 Episode 9 aired on April 30, 1979.
This episode runs for approximately 60 minutes.
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