10073 RECORD CARD 1. DATE 15 December 1957 2. LOCATION Englewood, Colorado 3. DATE-TIME GROUP Local ___________________ GMT 16/0035Z 4. TYPE OF OBSERVATION ☒ Ground-Visual 5. PHOTOS ☒ No 6. SOURCE Civilian 7. LENGTH OF OBSERVATION one & one half to 2 mins 8. NUMBER OF OBJECTS one 9. COURSE circle 12. CONCLUSIONS ☒ Insufficient Data for Evaluation 10. BRIEF SUMMARY OF SIGHTING One object seen flying in a circle for 1 1/2 to 2 minutes. 11. COMMENTS Insufficient data for analysis. No report in file. ATIC FORM 329 (REV 26 SEP 52)