Sault St. Marie, Michigan, April 1952

Document Text (OCR)

eek PROJECT 10073 RECORD CARD 14, DATE ( . ea. LOCATION ( 12. CONCLUSIONS | een oes 17 Apr 52 |; Sault St. Marie, ie Q, Mos Balloon ! robably Balloon 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION ‘12 wesury Seneen Loco! _.-+--1600 i istinnain 3XGround- Visual O Ground-Rador o Probouly Avreroh cut? 2100 oR er a OD Air- Visual O Air-Intercept Radar 10) Possibly Aircraft, .Yit mm rsa je ees © Wes Astronomicel 0 Yes O Probably Astronomical XS No QO Possibly Astronomical J. LENGTH OFOBSERVATION “TB....