16mm Filmography
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Aging of Lakes

A: Access CP: Composite Positive B: 800' 16/8/9.5mm 16mm Color Sound 504 , Traces the aging process of lakes, showing how man's interference with the environment causes critical changes in the natural ecology. Describes efforts to preserve and restore damaged lakes.

Search Educational Film Journals at Media History Project for references to this film
Complete catalog record
Traces the aging process of lakes, showing how man's interference with the environment causes critical changes in the natural ecology. Describes efforts to preserve and restore damaged lakes.

Search Educational Film Journals at Media History Project for references to this filmNOTE: Two (or more) records have been merged together to create this data.

More in Environmental Studies Series

  1. Problems of Conservation: Our Natural Resources
  2. Problems Of Conservation - Air 1968
  3. Problems of conservation : air 1968
  4. Problems Of Conservation - Forest And Range 1969
  5. Problems Of Conservation - Soil 1969
  6. Problems Of Conservation - Water 1969
  7. Problems of conservation : forest and range 1969
  8. Problems Of Conservation: Minerals. 1969
  9. Problems of conservation: wildlife 1970
  10. Problems of Conservation: Wildlife 1970
  11. THE GARBAGE EXPLOSION 1970
  12. Aging of Lakes 1971
  13. Noise - Polluting The Environment 1971
  14. Buffalo: An Ecological Success Story 1972
  15. Controversy Over Industrial Pollution: A Case Study 1972
  16. Energy - A Matter Of Choice 1973
  17. The Salt Marsh - A Question Of Values 1975
  18. The Salt Marsh: A Question Of Values 1975

Related films

Sources

  1. 16mm Filmography (legacy record) — title
  2. 16mm Filmography editors — year, creator, length, format, color, sound, genre, description, catalog record, video

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