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  • Central Intelligence Agency· 1953-01-02· 2 pages· 2 pages mention it
    • p. 1 …Chapman, a British subject who is an authority on the aurorae and its associated "mysterious problems" of "ion path" and…
    • p. 2 …Chapman, a British subject who is an authority on the aurorae and its associated "mysterious problems" of "ion path" and…
  • Central Intelligence Agency· 1953-01-06· 1 pages· 1 page mentions it
    • p. 1 …Chapman, a British subject who is an authority on the aurorae and its associated "mysterious problems" of "ion path" and…
  • Central Intelligence Agency· 1958-11-02· 2 pages· 1 page mentions it
    • p. 2 …Box 5242 Aurora 13, Ohio Dear Mr. Popovitch: Thank you for your letter of 19 November 1958. No here forward…
  • Miscellaneous Document
    FAA via National Archives / The Black Vault· 18 pages· 4 pages mention it
    • p. 4 -3-, 1987 Alaska PRSA Aurora Award Category #8, PTS III. EXEClTI!ON: The above plan was executed. Major events by…
    • p. 5 -4-, 1987 Alaska PRSA Aurora Awards Category #8, PTS IV. RESULTS: 1. The public was provided with all materials at…
  • Internet Archive (uploaded by Emma Best)· 2017· 28 pages· 1 page mentions it
    • p. 19 …Yerkes Observatory, University of Chicago and Fort Davis, Texas (several programs)--Meinel (aurorae), Kuiper (asteroids), Morgan (wide angle camera). The…
  • The Black Vault· 1953· 29 pages· 1 page mentions it
    • p. 20 …b, Yerkes Observatory, University of Chicago and Fort Davis, Texas (several programs)--Meinel (aurorae), Kuiper (asteroids), Morgan ('vide angle camera…

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