National geographic

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  Año 1975, Vol. 147, Número 5

  • Project Famous, man's first voyages down to the Mid-Atlantic ridge: where the Earth turns inside out

    J. R. Heirtzler

    págs. 586-603

    

  • Project Famous: II-dive into the Great Rift

    Robert D. Ballard

    págs. 604-615

    

  • My backyard the Adirondacks

    Anne Labastille

    págs. 616-639

    

  • Rhodesia, a house divided

    Allan C. Fisher

    págs. 641-670

    

  • Life with the "Pumphouse Gang": new insights into baboon behavior

    Shirley C. Strum

    págs. 672-691

    

  • Provence, empire of the sun

    William Davenport

    págs. 692-715

    

  • Mystery of the ancient Nazca lines

    Loren McIntyre

    págs. 716-728