2300 canyon 50 km north of the Mojave when they saw a disk-shaped flying object in the southwest; 10 m esti- mated diameter, 3 m thick, blue-green, well-defined, surrounded with a glow of same color. Stopping their jeep, they signaled to the object, which approached within a few meters, flew away, seemed to play with them. Eventually it vanished "like a magician's trick." 