Great clean-up
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Examines the environmental problems of the Great lakes area and reports on the steps that have been taken in an attempt to correct these problems.
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, sound, description
- 16mm Filmography (legacy record) — catalog record
Original permalink · Record added 2026-01-23 03:34:22