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Arrangement of the Materials
The collection is arranged into the following series:
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Antarctica,
1948-1963
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Australasia,
1957-1971
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Eurasia,
1952-1988
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North America,
1937-1996
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South America,
1959-1975
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Other Regions and
Research, 1942-1997
Within each series, the files are organized alphabetically by personal name or by
subject, then chronologically.
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