1957.07 - 6964684 - 2 Mi W of Piedmont, S Dakota

Document Text (OCR)

PROJECT 10073 RECORD CARD Dl ao ~ 1. DATE LOCATION wD 2. CONCLUSIONS . QO Wos Balloon : 2s 7 1957 D x14 Piedmont, 3 DekotajG Prebably Balloon 3. DATE-TIME GROUP 4. TYPE OF OSSERVATION QO Possibly Sallioon . r O Was Aircroft Loco } 7X Ground- = Vi sual Oo = Ground-Rodar Q Probably Aircraft GMT e208 15 214) 0 Air Vi suo) 0 Air-Intercept Radar O Possibly Aircraft 5. PHOTOS 6. SOURCE G Was Astronomical O Yes O Probably Astronomical GNo Militar 0 Possibly Astronomical 7. LENGTH OF OC3SSERVATION "|...