Season 9 · Episode 17 of 33
Aired May 22, 1972
Do You Dig National Parks?
Mon, May 22, 1972
Streaming on PBS
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Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
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Airs
Mon, May 22, 1972
Show
Horizon
1174 episodes
Episode
S9 · E17
in Horizon