2 Mi W of Piedmont, S Dakota, July 1957
- Date of account
- 1957-07
- Location
- 2 Mi W of Piedmont, S Dakota
- Source
- uap_archive
- Record updated
- 2026-10-10
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 onlyPROJECT 10073RECORDCARD 1.DATE 2.LOCATION 12.CONCLUSIONS Was Balloon 29Ju11957 2 Mi W of Piedmont,S DaRota 口 Probabiy Bailoon 口 Possibiy Balloon 3.DATE-TIME GROUP 4.TYPEOF O9SERVATION KGround-Visual Ground-Radar 口 Was Aircraft Local 口 ProboblyAircraft GMT24/081522 AiVisuol Air-lntarcaptRadar 口 PossiblyAireraft 5.PHOTOS 6.SOURCE 口 Was Astronomicol Yas 口 ProbabiyAstronomical KNO Military Possibly Astronomicai 7.LENGTH OF.OBSERVATION 8.NUMBEROFOBJECTS 9. COURSE 口 Othar. 口 XinsufficientData forEvaluatior 口 Unknown 5 minutes one 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS Flash,then long narrow straam of Possible meteor sighting with smoke.Dia of B-36 vapor trail cover duration including persistance ing 20 dgr of arc, Bright blue flash of.trail. However cannot conclude Case considered as insufficient then to pink. Contracted to spherical data. shape. ATIC7ORM329(REV26SEP52)
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