Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 7 ·
Where Did the Colorado Go?
Horizon investigates reports of abuse of the Colorado river in the USA.
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Episode 7 of season 11 of Horizon: “Where Did the Colorado Go?”. Aired 1974-02-18. Watch it online free on ZapFlix.