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Archive case record

N of Spring Brook and Tioga, North Dakota, March 1961

Date of account
1961-03
Location
N of Spring Brook and Tioga, North Dakota
Source
uap_archive
Record updated
2026-10-10

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Record summary

Project Blue Book case file indexed from National Archives metadata; page-level review pending.

Published source text

Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.

Source page 1

Source text · mention only

PROJECT 10073 RECORD CARD 1.DATE 2.LOCATION 12.CONCLUSIONS N of Spring Brook and 口 Was Balloon 1Mar61 Tioga, North Dakata 口 Probably Balloon 4.TYPE OF OBSERVATION Possibly Bolloon 3.DATE-TIME GROUP Local~ 2050 Ground-Visual Ground-Radar 口 Was Aircraft 口 Probably Aircroft GMT 020250Z AirVisual Air-lntercept Radar 口 5.PHOTOS 6.SOURCE 口 Wash Astronomical VENUS OYes Prabably Astronomical CNo Civilian and Military 口 Possibly Astronomical 7.LENGTH OF.OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Other 口 Insufficient Dato for Evaluation 口 Unknown 15-20min Descending 10. BRIEF SUMMARY OF SIGHTING White Circular object. 11.coMMENTsObjt was probably Planet Venus Attracted attention of observer because of Time of sighting was in direction of Venus. brightness.Appeared on horizon in Nw and Venus had mag of -4.3. Atmospheric re- disappeared below horizon after 15-20 min. fraction probably caused distort

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