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Countries Participating in the International Geophysical Year (67 countries)
Argentina
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German Democratic Republic
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Pakistan
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Australia
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German Federal Republic
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Panama
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Austria
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Ghana
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Peru
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Belgium
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Greece
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Philippines
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Bolivia
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Guatemala
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Poland
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Brazil
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Hungary
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Portugal
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Bulgaria
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Iceland
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Rhodesia, Southern
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Burma
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India
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Rumania
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Canada
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Indonesia
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Spain
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Ceylon
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Iran
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Sweden
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Chile
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Ireland
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Switzerland
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China (Taipei)
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Israel
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Thailand
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Colombia
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Italy
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Tunisia
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Cuba
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Japan
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Union of South Africa
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Czechoslovakia
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Korea, Democratic Republic of
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Union of Soviet Socialist Republics
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Denmark
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Malaya
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United Kingdom
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Dominican Republic
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Mexico
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United States of America
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East Africa
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Mongolian Peoples Republic
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Uruguay
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Ecuador
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Morocco
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Venezuela
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Egypt
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Netherlands
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Viet Nam, Democratic Republic
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Ethiopia
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New Zealand
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Viet Nam, Republic
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Finland
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Norway
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Yugoslavia
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France
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Archives@nas.edu
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