"And, if a glacier moved them over to Stonehenge, how many Blue Stones have been found 'strewn along the route' from the outcropping?"
The hogs ate 'em.
[ya gotta be a hillbilly to 'get' that].....;D
That was some danged intelligent and orderly glacier, I'll give it that.
However, it's not totally necessary to be a hillbilly to recognize the reference..
An incident that took place in the movie classic, "The Wizard Of Oz" explains the principle quite well..