1952-10-9169281-DULUTHMINN

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io, “PROJECT 10073 RECORD CARD eee are Re et ae ne Rane Snot me a ee a (oe 12, CONCLUSIONS +} OCATION i 0 D {Q Was Balloon nee ene vi 72K Probably Balloon . DATE-TIME GROUP & TYPE OF GBSERVATION. Ce eS Ce st bly Bolloone ia Was Aircraft Tagen, cengnemerere XK Ground-Vi sual G Ground-Radar Q Probably Aireratt __OMT__. +2 Air Viol G Airintercept Radar G Possbly Aircrate 3. PHOTOS zs cE Fe Was Astronami cal os os spe a, {Q Peohably Astronomical ! 2 civilian men ; bo Possibly Astronomical J. LENGTH...