Dave, if you are you planning on doing some updating of early GD years at Deadlists based on Corry's fantastic research at Lost Live Dead, here are a few tidbits that you might also want to consider:
10/16/66 (?): Garcia sit-in with Big Brother: http://jgmf.blogspot.com/2010/01/jerry-sitting-in-with-big-brother.html(responding to an earlier post at Corry's Lost Live Dead) 10/16/66: Pigpen, Garcia and others jamming together as "New Peanut Butter Sandwich": http://jgmf.blogspot.com/2010/01/new-peanut-butter-sandwich-october-16.html 10/23/66: tickets still available for GD at Las Lomas High School: http://jgmf.blogspot.com/2011/05/gd-in-walnut-creek-east-bay-psychedelic.html 1/6/67: A preview article of GD at Freeborn Hall, UC Davis: http://jgmf.blogspot.com/2011/07/gd-19670106.html 12/1-2/67: GD gigs at Psychedelic Supermarket, Boston: http://jgmf.blogspot.com/2011/03/gd19671201-02-december-1-2-1967.html 1/68 Eagles Auditorium show datings: http://jgmf.blogspot.com/2010/05/gd-at-eagles-auditorium-seattle-wa.html 9/2/68: a show review: http://jgmf.blogspot.com/2011/03/gd19680902-sky-river-rock-festival-and.html 11/24/68: some GD members jam with Jefferson Airplane at Grande Ballroom, Detroit: http://jgmf.blogspot.com/2012/01/november-24-1968-jam-with-jefferson.html