This record contains data cartridges and backup logs. The tapes are labeled individually as follows: Onyx /u/ph, mostly for Provos manual, 3/25/82; Sequitur, X.dot, CM 84-88 archives, 4/21/89; tar /etc /y/cwork LA, 7/21/84; CM backup "X 1"; L.A. & hackers db backup, Plexus Computers Inc. Model 4200 AC Sys3 Rev. 3.1, 1984.