SF: Communication Company, 1967.
4to. Broadside. First edition. This event, also known as Bedrock One, was a concert/Happening presented by the Diggers during the "Summer of Love." Richard Brautigan & the Caped Crusaders, the Diggers, the S. F. Mime Troupe, the Steve Miller Blues Band, The Orkustra, and others, are listed as participants. Lights by The Lysurgic Power & Light Company. Hosts: Warren Hinckle and Mark Comfort. "Minors and CIA agents welcome." Slightly toned around the edges, else fine.