1951-01-7005642-SiouxCity-Iowa

Document Text (OCR)

PROJECT 10073 RECORD CARD 2. LOCATION } 12. CONCLUSIONS QO Was Bolloon | Sioux City, Iowa O Probably Balloon 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION . O Possibly Balloon eas : D Ground- Vi sua! 0 Ground-Redar x Wos Aircraft Probably Aircroft cut__Not_reported _ : & Air-Vi suai 0 Air-intercept Radar 8 Possibly Aircraft S. PHOTOS ~ | 6. SOURCE <5 O Wes Astronomical O Yes Airline Pilots Q Probobly Astronomical & No Multiple Tower operators © “Possibly Astronomical 7. LENGTH OF OBSERVATION 8....