National Geographic Magazine [computer file] The 1970s (vol. 155, no. 4, April 1979) Jan. 1970-April 1973, May 1973-August 1976, September 1976-December 1979
Speak with Koko, an amazing gorilla that learned sign language. Travel to Ethiopia and unearth the remains of Lucy, one of humankind's oldest known ancestors. Join Thor Heyerdahl on a death-defying transatlantic sea voyage in a papyrus reed boat, the RA II. Study pollution, the scourge of th...
| Format: | Electronic Resource |
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| Publié: |
Washington, CD
National Geographic Society
1888-1999.
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| Collection: | The Complete National Geographic : 110 years of National Geographic Magazine on CD-ROM
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