Great research on the Dallas club and also these B------N's chips.
The Turtle Creek area is one of the posh areas of Dallas, then & now.

Regarding Binion's LV license, you say --
"The Commissioners granted Binion licenses to operate the Horseshoe’s bar and restaurant ... "

As I'm sure you recall, it was the first booth in the coffee shop downstairs where Benny & Jack had their informal "office" at the Horseshoe.
I have fond memories of those days. Though I was just a $2 blackjack player back then, I always felt I got a good gamble for my money.