Wagon jack info needed

I'm trying to piece together some of the little odds & ends on my '66 Dart wagon project, and I'm trying to find info on the bumper jack. From what I've been able to find (and we all know the internet is always right...) the jack assembly itself and the baseplate are standard issue A body stuff, but the jack hook is a dedicated wagon piece... can anybody confirm or deny this?
I could also use some clarification about the jack mounting scheme- I'm assuming the base and hook go in the usual places holding down the spare, but where do the jack and tire iron go and how are they retained? As always, any info and especially pictures are greatly appreciated!