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

Archive case record

Thermopolis, Wyoming, October 1957

Date of account
1957-10
Location
Thermopolis, Wyoming
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

PROJECT10073RECORD CARD 1.DATE 2.LOCATION 12. CONCLUSIONS Thermopolis,Wyoming 口 Wos Balloon 10 0ctober 1957 Myton, Utah Western U.S. 口 Probobly Bolloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION 口 Possibly Balloon .Locl-approx 4:15 MST XGroundVisuol Ground-Roder 口 Wos Aireraft 口 Probably Aireraft GMT 10/1104Z AirViuel D Air-Intereept Rodor 口 Possibly Aireraft 5.PHOTOS 6.SOURCE Was Astronomicol Fireball aYs 口 Probably Astronomical XOKNo Various/military & civilian 口 Possibly Astronomical 7.LENGTH OP.OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口口 Other. Insufficient Date fer Evoluotion 口 Unknown 1to45deconds one W-SW 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Large brilliant blue-white flaming This sighting resulted in creat- object observed in Myton,Utah & other ing nation-wide attention to the widely separated areas. Sighted by incident,following on the heels Navy and Air Force pilots also. The

View this source page ↗

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