1957.11 - 6782763 - Alpena, Michigan

Document Text (OCR)

PROJECT 10073 RECORD CARD 1. DATE 2. LOCATION 12. CONCLUSIONS Bane 0 Wos Balloon 12 November 1957 Alpena, Michigan QO Prabably Bolloon "3. DATE-TIME GROUP 4. TYPE OF OBSERVATION ———|0 Possibly Balloon , : D Was Aircroft Local 20KGround-Vi sual O Ground-Rodor “Probably Aireroft GMT L271 9104 O Air Vi suol 0} Air-Intercept Rador 0) Possibly Aircraft 5.. PHOTOS - SOURCE 0 Was Astronomical O Yes 0 Probably Astronomical ti tig og O Possibly Astronomical OQ: No Oo hh BER Be! a 7. LENGTH OF...