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  • Central Intelligence Agency· 2001-03-12· 68 pages

    …One of the men went outside, found the heat there even more intense and the mountain lighted up…

  • Central Intelligence Agency· 1965-06-01· 95 pages· 2 pages mention it
    • p. 8 …Purple Mountain Astronomical Observatory at Nanking. a. Buildings at the Installation. b. The 60-Centimeter Re- flector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 30 sl lso…
    • p. 41 …China main- tains an optical satellite observation program which is directed by the country’s largest observatory at Purple Mountain…