Southfalls, Montana, May 1951

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PROJECT 10073 RECORD CARD 1. DATE 2. LOCATION 12. CONCLUSIONS Was Balloon 22 May 1951 South falls, Montana Probably Balloon 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 2 Pecumy Seren Lecel 1430 = 1500 & Ground- Vi sual D Ground- Radar . Pekdie ie oft GMT 22/ 20302 & Air Vi svol 0 Air-Intercept Radar |9 Possibly Aircroft 5. PHOTOS O Was Astronomical O Yes O Probably Astronomicol XH Ne Civlian 0 Possibly Astronomical 7. LENGTH OF OBSERVATION 6. NUMBER OF OBJECTS 9. COURSE 0 Other...