We Are Of The Soil
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Examines the processes and problems of topsoil erosion. Presents how this devastating phenomenon affects everyone and the agricultural and environmental consequences that result. Shows conservation techniques for protecting and rebuilding the soil.
Copyright
Registered 28Apr78 · PA 14-492 (Jul-Dec 1978) Copyright holder: Iowa State University Research Foundation, Inc
Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, description
- 16mm Filmography (legacy record) — sound, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
Original permalink · Record added 2023-02-27 06:34:08