Ellsworth (Wisconsin) — December 11, 1957 (1600)

Many cars stopped to observe a silent, reddish, glowing disk, about 15 ni in diam- eter, which flew 6 m above the ground at about 80 km/h. A small, windowless cabin was visible on the underside of the object. (FS July, 58)

Source: Passport to Magonia
Case: 450