The Living filter
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Describes an experiment in which municipal waste water was used to irrigate forest and farmland, thereby increasing plant growth and purifying the water to drinking quality. The experiment also suggests the potential use of the technique in reclaiming strip-mined land.
Copyright
Registered 30Aug72 · MP23340 (Jul-Dec 1972) Copyright holder: Pennsylvania State University Production company: Dept
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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