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Archive case record

Colorado River, Arizona, April 1958

Date of account
1958-04
Location
Colorado River, Arizona
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

PROJECT10073RECORD CARD 12.CONCLUSIONS 2.LOCATION 口 Was Balloon 1.DATE 口 Probably Balloon Colorado River,Arizona 口 Possibiy Balioon 17Apr58 4.TYPE OF OBSERVATION 口 Was Aircraft Ground-Rodar 口 Probably Aircraft 3.DATE-TIME GROUP Ground-Visual 口 Possibly Aircraft Local Air-lntercept Radar Ai~Visua! UX Was Astronomicol 18/0404Z GMT. 6.SOURCE 口 Probably Astronomical Possibly Astronomical 5.PHOTOS Yos Civilian 口 Other. DNo 9.COURSE 口 Insufficient Data for Evaluation 8.NUMBER OF OBJECTS 口 Unknown 7.LENGTHOFOBSERVATION one 1-2 secs 11.COMMENTS Meteor sighting. 10.BRIEF SUMMARY OF SIGHTING Brilliant obj bright white or pinkish observed fm Grand Canyon.Burned out completely. Believed to be a meteor by witness. ATICFOR329(REV26SEP52)

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