Table 1. Dates of observations digitized for T-3 (Fletcher's Ice Island) and AIDJEX. These dates are not all-inclusive as occasionally several observations or days of observations are missing. [NOTE: The ending date of AIDJEX data digitization has been corrected from what appeared in the original Earth System Monitor article.]

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T-3 (Fletcher's Ice Island)
Source                                                   Dates (day/month/year)
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Deck 117 (previously digitized)..........................15/04/1952-14/05/1954
                                                         01/05/1955-16/09/1955
WBAN Form 610-7..........................................25/05/1957-31/03/1958
WBAN Form 10A & 10B......................................01/04/1958-25/10/1961
Summary of the Day WBAN Form 10A & 10B...................01/04/1958-25/10/1961
                                                         (January 1960 missing)
Plain Language Teletype Messages.........................19/02/1962-12/06/1966
                                              (used to fill in missing records)
Teletype Observations....................................12/07/1963-30/06/1966
TD 3280 (Previously digitized)...........................13/06/1966-14/04/1971*
                  *Note: T-3 records not located after 14/04/71.
                      Ice Island abandoned September 1974.
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AIDJEX (Big Bear, Blue Fox, Caribou, Snowbird)
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April 1975-April 1976
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