I was at Ft. Sill OK in 1968 for artillery training. It was a ritual of all to visit Geronimo’s grave which was near one of the firing ranges. As I recall the grave was marked by a simple military type tombstone. I do not recall a concrete slab though it may have been covered by grass.
Welcome to the SDMB, John.
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The article says that the slab was put there between 1918 and the present (to discourage grave robbers perhaps? or maybe just so they wouldn’t loose track of the burial site if the marker blew over), so it may very well not have been there in '68.
On the flip side of the question: Presumably, there is a real human skull at the S&B clubhouse (I love that term… It has exactly the right amount of gravitas, I think). OK, so maybe it’s not Geronimo’s. But the fact remains, IT’S A FRIGGIN’ HUMAN SKULL! So whose skull is it, and how did it come to be in the posession of a bunch of Yale students?
There are number of members of that society who have no need for…
Alas, poor Yorick. They knew him…
Apparently not; at least, not well enough to know his name.
They could tell you, but then they’d have to kill you. 
Skulls aren’t as difficult to come by as one might think (or hope). I assume Yale has a med school, and one could have easily been swiped.
Hell, we had multiple complete skeletons at my high school.
You can probably also order them online…
I just want to see what the Google ad is!
He’s worse than grave, he’s dead.
Come morning, you will find him a grave man.
As for the skull, even if it was from the med school or the like, aren’t there laws about the posession and transfer of human remains? While a med school or a museum can, of course, legally own human remains, I have a hard time believing that a random bunch of undergrads could.
You’re taking that for granite.
Rather than the way you should, with a gran of basalt.
You guys just kill me. But then, a corpse is a corpse, of course, of course.
I want my mummy.
RR
Garnet all, people, play gneiss.
With all these bad puns, I’m outta here!
Geronimooooooooooo!!!
Well, you can certainly legally keep the ashes of your dearly departed in your house (or secret club, I’d assume) if they’ve been cremated, so it’s legal for a private individual to own at least some types of remains.
I’d imagine this is extended to any sort of remains that aren’t a health hazard (can’t keep the rotting carcase of your dear aunt, or the corpse of your mom after she was killed by Bird Flu), and were gotten legally. The skull meets the first condition, and after almost a hundred years, it would be hard to prove that it didn’t meet the second.