#smrgDERGİ National Geographic - Sayı: 4 Volume: 142 October

The Amazon - Mightiest Of Rivers - Loren McIntyre
Swallow - Tailed Kite - Ray O. Green, Jr. Norman D. Reed, Myron H. Wright, Jr.
Mercury, Man's Deadly Servant
John J. Putman
Robert W. Madden
India's Enegetic Sikhs
John E. Frazer
James P. Blair
Baja California's Rugged Outback
Michael E. Long
Roughest Road Race: The Mexican 1000
Swimming With Right Whales
Roger Payne
William R. Curtsinger
Charles R. Nicklin, Jr.
The Amazon - Mightiest Of Rivers - Loren McIntyre
Swallow - Tailed Kite - Ray O. Green, Jr. Norman D. Reed, Myron H. Wright, Jr.
Mercury, Man's Deadly Servant
John J. Putman
Robert W. Madden
India's Enegetic Sikhs
John E. Frazer
James P. Blair
Baja California's Rugged Outback
Michael E. Long
Roughest Road Race: The Mexican 1000
Swimming With Right Whales
Roger Payne
William R. Curtsinger
Charles R. Nicklin, Jr.