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Archive case record

DULUTH MINN, October 1952

Date of account
1952-10
Location
DULUTH MINN
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

PROJECT 10073 RECORD CARD 1.DATE OCATION 11Z COHCLUSIONS 210ct52 DULUTH MINN Was Balloon ProboblyBolloon sibly Bolloon 3.OATE-TIME CROUP 4TYPEOF CBSERVATION L21/1600_CS Ground-Radar Was Aircraft xtGround-Visuai 口 Probaoly Aircraft QAirViwol Airintnrcept Radar 口 Possibly Aireroft CMT-21/3200-2 S.PHOTOS .SOURCE 口 Was Astronomicol aY·s 口 Probably Astronomical 2 civilian men a Possibly Astonomical XxiO 7.LENGTH OF CBSERYATION 8.NUMBER OF OBJECTS 9.COURSE 口 Othor 口 Insuificient Data for Evaluation "few minutes" 1 口 Unkrown IO. BRIEF SUWMARY OF SIGNTING 111. COAMENTS Cubic or diamond-shaped object,approx 5'x 5' x 9!was sighted by three separate sources at Duluth,Minn. Object moved slowly close to ground,rising to clear trees and fences. Object gained speed as it gained altitude.First source sighted object at 1550 CSr,saw object vary altitude from 3' to 40'.Second source sighted objcct at 1605

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