Poster of Cast and Crew in Horizon - Do You Dig National Parks? (Season 9 - Episode 17) - Do You Dig National Parks?

Horizon - Season 9 - Do You Dig National Parks? (Episode 17)

Plot: Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
Episode Aired On:
Monday, May 22 1972
53 years ago