UFO News Article:
“High School Kids See Flying Discs”,
14 April 1950 (Lodi News-Sentinel, California)

Four Mission High School students sighted a disk shaped UFO over San Francisco, California on 13 April 1950, according to the Lodi News-Sentinel:

http://news.google.com/newspapers?id=gOEzAAAAIBAJ&sjid=qzIHAAAAIBAJ&pg=5062,1258146

Aerial view of San Francisco, California
(freelargephotos.com photo)