A Meeting with the sea
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The Black Sea, once a large fresh water lake, was flooded with salt from the Mediterranean and Atlantic. Most of the fresh water life disappeared, but some adapted. Underwater photography shows the ecological relationships that exist in the Black Sea today.
Copyright
Registered 18Apr72 · MP22636 (Jan-Jun 1972) Copyright holder: McGraw-Hill, Inc
More in Popular Science Series
- My Study Of Butterflies And Moths 1966
- A Meeting with the sea 1971
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Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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