I read the linked PDF of an old South Australian Climbing Club newsletter.
DGS = Dork Grading System, where everything is Gd 8, and allegedly an improvement on the Ewbank system...
... But what I found much more interesting in that 1987 bit of history, were climb descriptions of things put up at that time (and earlier), by Chockstone ID stugang!
~> I suspect that it would be even more fascinating to know the reasons behind some of the climb names!!
Heh, heh, heh.