S20·E9 Hard Rock
Core
Aired March 14, 1983 60 min
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Synopsis
The Horizon episode is about the Carsington Aqueduct Scheme in Derbyshire, England, and the massive excavation problems encountered during construction.
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Frequently Asked Questions
When did Season 20 Episode 9 of Horizon air?
Season 20, Episode 9 ('Hard Rock') originally aired on March 14, 1983.
How long is Season 20 Episode 9 ('Hard Rock')?
The runtime for this episode is approximately 60 minutes.
What happens in Horizon Season 20 Episode 9?
The Horizon episode is about the Carsington Aqueduct Scheme in Derbyshire, England, and the massive excavation problems encountered during construction....
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