Here is the info from my friend. I think he is going to come thruwith some posted scans for everyone to look at. I wonder what's up with the "Palmer Auditorium" reference?
------------------snip------------------------------- taken from The Austin Music Scene through the lens of Burton Wilson (there are 4 pictures, pretty much the same of the lineup) also 2 pictures of the dead around a table at the AWHQ. it's not clear if this is the same day, or the early morning hours after the dead show on the 22nd at Palmer Auditorium. nov 23 1972 Leon Russell- piano Benny Thurman - fiddle Mary Egan - fiddle Phil Lesh - bass Jerry Barnett - drums Jerry Garcia - pedal steel Doug Sahm - guitar Mary Egan was/is in Greezy Wheels Benny Thurman is the original bass player in 13th Floor Elevators, then was in Plum Nelly Jerry Barnett was in Shiva's Headband