1957.09 - 7228576 - Portland, Oregon

Document Text (OCR)

) s PROJECT 10073 RECORD CARD _ | Date 2. LOCATION 12. CONCLUSIONS D0 Was Balloon : 10 September 1957 Portland, Oregon 0D Probably Balloon _ 13. DATE-TIME GROUP 4. TYPE OF OBSERVATION abe ese, comes ; Bl Ey | eae 0 We ets aes MK Ground- Vi sual OD Ground-Radar ee Probobly Aircroft GM POPE ya Hoh Us Aree O Air Vi sual OD Air-Intercept Radar 0 Possibly Aircroft 5. PHOTOS 4 - SOURCE GO Was Astronomical O Yes ‘ 0 Probably Astronomical IK No Civilian O Possibly Astronomical 7. LENGTH OF.OBSERVATION...