When did Horizon Season 11 Episode 18 air?
Horizon Season 11 Episode 18 aired on July 1, 1974.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 18
Hills of Promise
Jul 1, 1974·1h
In this report, Horizon presents the state of hill farming in Wales.
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Direct answers for episode-level questions and details.
How long is Horizon Season 11 Episode 18?
This episode runs for approximately 60 minutes.
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