Skip to content
Anomaly GraphCONNECT THE UNEXPLAINED
Start investigating
← Research library

Archive case record

Four Corners, Colorado, October 1951

Date of account
1951-10
Location
Four Corners, Colorado
Source
uap_archive
Record updated
2026-10-10

View the original source ↗

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 10073RECORDCARD 1.DATE 2.LOCATION 12.CONCLUSIONS 30 Cctober1951 Four Cxaners,Colorado 口 Was Balloon 口 Probably Balloon Possibly Balloon 3.DATE-TIME GROUP 4.TYPEOFODSERYATION Local DGround-Visua! Ground-Rador 口 WasAircraft 口 Probobly Aircraft 30/2330Z DAir-Visual OAir-IntarcoptRadar 口 Possibly Aircraf! CMT.. 5.PHOTOS 6.SOURCE 百 Wes Astronomicalloteor Yes 口 ProbablyAstrononical CVNo Civilian 口 Possibly Astronomical 7.LENGTH OFOBSERVATION 8.NUMBEROF OBJECTS 9.COURSE 口 Othor SW 口 InsufficientDota forEvaluation Not Reported one 口 Unknown 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Reported as a shooting ster,not a fhatap Object believed to be a shooting star UFO.Case evaluated as a mebeor。 observed in flight from Zenith to SW covering 30 deg arc.First appeared to be white,then changed to red and finally green. Object just seemed to disappear. Very brilliant. ATICFORM329(REV26SEP52)

View this source page ↗

Investigate related details with Anomaly Graph’s account-based search, or read how matching and provenance work.