The Valley
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Explains that some pollution-sensitive organisms such as Asiatic clams and caddis fly larvae are returning to the Ohio River where they had previously been unable to live. Shows this as living proof that the river is getting cleaner.
Complete catalog record
Explains that some pollution-sensitive organisms such as Asiatic clams and caddis fly larvae are returning to the Ohio River where they had previously been unable to live. Shows this as living proof that the river is getting cleaner.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, description, catalog record
Original permalink · Record added 2023-02-27 05:36:13