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Case FileNARA NAID 28977884 · T1206 Roll 32

Project Blue Book Case File

Colorado River, ArizonaApril 1958

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Colorado River, Arizona in April 1958. The full case file (5 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 32.

Reported location

Colorado River, Arizona

Date of incident

April 1958

State / country

AZ / US

Page count

5 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 32

Original case file scans

Original case file · scanned by NARAPage 1 of 5
Transcribed text
Tr ETT TT TT TEE rE TN TTT TT TT TTR TT TR A eT er TE ee ET LC 4 ee
PROJECT 10073 RECORD CARD
DN em am RY IE FS a cane RCS sn
1. DATE ig LOCATION 1 CONCLUSIONS
yrs | RE : LY ey a Was Balloon
Rf Lt 0 8 SY Colorado RAVE LI, RZ Onn 1 a Probably Balloon
3. DATE-TIME GROUP 2 TYPE OF OBSERVATION {0 Possibly Balloon
Local SEE aE TO Ground-Visual A Ground-Radar o Was Aircraft
SEE Ee ee |a Probably Aircroft
10 /NA0LT eat RIR Yom
Sit... t8/0eLRE 0 Air Visual 0 Air-Intercapt Radar |G Possibly Aircraft EA
5. PHOTOS 8. SOURCE —"| BX Was Astronomical et CTW
0 Yes 0 Probably Astronomical ~
oN per HE he TE 0) Possibly Astronomical
ay ll PERL ee Ep i jvaliiall ha EE En ER
7. LENGTH OF OBSERVATION 3. NUMBER OF OBJECTS 9. COURSE Er TTY
0 Insufficient Data for Evaluation
silied 00 Unknown
1190 0eS one Dus pi TE
LD EE fe ee CT dl EAE ae i {5
To. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
arilliant obj br jeht wh ite ox pinki 4 Meteor Si chting.
y observed fm Grand Canyon. puraned out
complet ely. Believ sd to be a meteor
by witness.
aE ce pea
ATIC FORM 239 (REV 26 SEP 52)
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Source: National Archives Catalog · NAID 28977884

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