National geographic

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  Año 1955, Vol. 107, Número 4

  • Ohio makes its own prosperity

    Leo A. Borah

    págs. 435-484

    

  • Spain's "fortunate isles", the Canaries

    Jean Shor, Franc Shor

    págs. 485-522

    

  • Photographing the sea's dark underworld

    Harold E. Edgerton

    págs. 523-537

    

  • Diving through an undersea avalanche

    Jacques Yves Cousteau

    págs. 538-542

    

  • Weather from the white north

    Andrew H. Brown

    págs. 543-572

    

  • Patrolling troubled Formosa strait

    págs. 573-588