1957.02 - 6786689 - 50 mi S of Bismark, N.D

Document Text (OCR)

| ' PROJECT 10073 RECORD CARD 1. DATE 2 LOCATION an 12. CONCLUSIONS O Was Balloon 0 Februa 957 50 mi S of Bismark, N.D x 0 Probebly Belloon Possibly Balloon 3.. DATE-TIME GROUP ‘ 4. TYPE OF OBSERVATION O Was Aircraft Locel___. EL Ground. Vi sual 0 Ground-Radar a Probobly Aircraft GM: WIN > og a ie A O Air Vi swal OD Air-Intercept Radar O Possibly Aircroft 1GTOS ; SOURCE © Was Astronomical 'OY¥es = ee Boot Oo. Brokobly Astrecemical 35 { No Housewife © Possibly Astronomical ~~~ * 7. LENGTH OF...