Well, you're quite right. What y'all called the river is whatever you wanted to call the river. And that's what folks today all over the state call the river. All I was pointing out is that the United States Army Topographical Engineer Corps map of the 1820s which was the original survey of the river system calls the south canadian that arm which goes southward toward what is now McAlester, and the arm that goes westward toward what is now Purcell and is the northern boundary of the old Chickasaw Nation was simply called the "Canadian". . . .
But then maybe I just can't read a map either.
It's no big deal as far as I'm concerned and if it's a big deal for you than that's just A-ok with me. Call it whatever you want to.
Or as Louis Armstrong used to say, "there's some people that when they don't know, you just can't tell 'em."