I remember that place too Sulp. And, there was one at that hotel S/Side. Always forget the names now cuz they change so often but there are two, one immediately south of the other on Calgary Trail & Whitemud. It was in that one. Walk past the lobby and elevators, thru the restaurant and turn left.
I also remembered the one right downtown. Cannot remember the name but it was right where Central LTR station is. Kinda between there and Scotia Place.
Would be interesting to get mitts on an old newspaper or yellow pages from back then lol.