Thanks for straightening out the pic, Josh.
The image comes from the "Summer of 94" brochure - advertising the black w/ leather NAS 90.
Too bad I didn't get a better quality pic. I can't imagine the rear section "floats." I'll have to take a look at my original Thule crossbars (the ones that go over the door tops and attach to the safari cage). I *seem* to recall holes in the bottom - which would seem to be mounting points for the sections that run parallel with the length of the truck.
Very interesting that it made it to the 1997 parts catalog - will have to go through my collection of microfiche to see if it made it in all years.
I take it no one has seen this in person?
P.S. Very excited to be getting "deluxe" bars from SDO, which effectively will mimic this design, but allow for very stable mounting points - plus no holes in my Tickford.