Project Blue Book Case File
Englewood, OhioMay 1955
Summary
# Summary
On May 27, 1955, a resident of Englewood, Ohio reported finding a lightweight rock that resembled a melon. The person brought the specimen to the Air Force Technical Information Center (ATIC) for evaluation as possible evidence of an unidentified aerial phenomenon.
According to the case file, the rock was described as extremely hard and very porous. Air Force investigators examined the specimen and determined it was slag, a byproduct of metal smelting and industrial processes. The rock sample was retained in the ATIC file.
The Air Force's evaluation of this case was listed as unknown. The full case file, consisting of 9 pages as preserved by the National Archives, is reproduced below.
Reported location
Englewood, Ohio
Date of incident
May 1955
State / country
OH / US
Page count
9 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 23