The Valley
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A before and after story of the pollution of the Ohio River Valley. The pollution included sewage, industrial waste and mining pollution. The controls: monitoring of the rivers conditions, and enforcement of regulations governing the disposal of waste material have contributed to the improvement of the area.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Wikidata · Q91966363 ↗ — year, genre
Original permalink · Record added 2026-01-23 04:22:03