CLAIM-134026reported
“Ronald Johnson estimated the Delphos object at approximately nine feet in diameter.”
The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning
SRC-002099 · “Delphos CE2” → “Reported diameter”, PDF p. 1028
Case-specific structured object reported near Delphos, Kansas, in 1971: a compact mushroom-like form with a domed top, bulging middle, flat bottom, intense multicolor illumination, and a long-lived circular ground trace.