1000 MILES 
1500 KILOMETERS 
(0) 
500 
1000 
0 
0 500 
ANTARCTIC 
lee ia 
70 
\ 
South Georgia I. 
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PALMER PENINSULA 
= (14 stations) 
West Base © = O 
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, ANTARCTHUCA 
us Pole of Inaccessibility. > 
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ro 
The approximate location of the Antarctic Convergence, generally 
regarded as the most acceptable boundary of South Polar condi- 
tions, is shown by a solid line. IGY stations and facilities are shown 
by solid dots. Participating nations in the Antarctic are Argentina, 
Australia, Belgium, Chile, France, Japan, New Zealand, Norway, 
South Africa, United Kingdom, United States and U.S.S.R. 
South e 
Magnetic South Geomagnetic 
(S+Poz < % Ra 
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N. 
G 
Vostok 
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La Np 
SSS e Pionerskaya, 
Davis \ --7 
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4005 Or 
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Wilkes) wef 
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