When did Horizon Season 9 Episode 11 air?
Horizon Season 9 Episode 11 aired on March 20, 1972.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 9 · Episode 11
The Man-Made Lakes in Africa
Mar 20, 1972·1h
Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.
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Direct answers for episode-level questions and details.
How long is Horizon Season 9 Episode 11?
This episode runs for approximately 60 minutes.
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