Tracks on the Oregon Trail

Oct 01, 1979 on BBC TWO at 9:00 PM
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Summary

Horizon investigates the environmental protection program going on in the state of Oregon in the USA. Oregon is the first state to clean up it's environment.

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Mexican Oil Dance
Season 1979 Episode 14

Sep 24, 1979

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The Race to Reshape Cars
Season 1979 Episode 16

Oct 08, 1979