Holdings date from the late 1970s when the subject of the larger collider was first formally discussed, followed by the recommendation to fund the project in 1983 and subsequent establishment of the Central Design Group (CDG) at Lawrence Berkeley Laboratory (LBL) in California. Collection includes materials gathered and arranged for the Laboratory archives that document the design, construction, impact, use and termination of the SSC Project; second-copy site proposals submitted pursuant to Department of Energy's ivitation in 1987 and additional data provided by the finalist "Best Qualified List" of hopeful sites; original SSC videotape and photographic negative collections, television and print media collections, and audio taped oral history interviews, artifacts, ephemera, attendant catalogs and finding aids; second-copy SSC technical reports and administrative and technical documents.