Sheffield Lake (Ohio) — September 21, 1958 (0300)
A circular, flat object, 7 m in diameter, 2 m thick, hovering 1.5 m above ground. and making a jetlike sound was seen from a house by a civilian woman. Its color was that of aluminum; it had a wobbling motion and emitted gray smoke be- fore rising again and taking off. (Atic)
Source: Passport to Magonia
Case: 471